Report pages 94–96: 89 claims on pp. 94–95 (fact 86, statement 2, definition 1).
Data Table 1 (Incident Data) reports weapons, location types, motives, total casualties (injured and killed), and resolution for all attacks (n = 50) and for current or former employees (n = 22), customers, clients, patients, and visitors (n = 19), and romantic partners and relatives (n = 9). The column ns printed are 50 | 22 | 19 | 9.
APPENDICES: DATA TABLE 1
Data Table 1 column headers give all attacks as n = 50 / 29%, current or former employees as n = 22 / 13%, customers, clients, patients, and visitors as n = 19 / 11%, and romantic partners and relatives as n = 9 / 5%.
Sample (n = 50 of 173) · mass attacks (2016-2020) in the NTAC 2023 population from which the 50 workplace incidents were drawn
| INCIDENT DATA | All Attacks<br>n = 50 / 29% | Current or Former Employees<br>n = 22 / 13% | Customers, Clients, Patients, and Visitors<br>n = 19 / 11% | Romantic Partners and Relatives<br>n = 9 / 5% |
Why inferred table header: the column headers are printed in the table; the <br> marks the line break inside each printed header cell and is not printed text
An asterisk on the Weapons, Location Types and Motives rows of Data Table 1 indicates multiple responses, so percentages within those sections can sum to more than 100%.
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
*Indicates multiple responses.
Data Table 1 reports firearms in 86% of all attacks (n = 50), 95% of attacks by current or former employees (n = 22), 68% by customers, clients, patients, and visitors (n = 19), and 100% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Firearms | 86% | 95% | 68% | 100%
Data Table 1 reports bladed weapons in 14% of all attacks (n = 50), 0% of attacks by current or former employees (n = 22), 37% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Bladed Weapons | 14% | 0% | 37% | 0%
Data Table 1 reports vehicles as a weapon in 2% of all attacks (n = 50), 5% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Vehicles | 2% | 5% | 0% | 0%
Data Table 1 reports an explosive weapon in 2% of all attacks (n = 50), 5% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Explosive | 2% | 5% | 0% | 0%
Data Table 1 reports an incendiary weapon in 2% of all attacks (n = 50), 5% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Incendiary | 2% | 5% | 0% | 0%
Data Table 1 reports an other weapon type in 2% of all attacks (n = 50), 5% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
| Incendiary | 2% | 5% | 0% | 0% | | Other | 2% | 5% | 0% | 0% |
Data Table 1 reports businesses as the location type in 86% of all attacks (n = 50), 95% of attacks by current or former employees (n = 22), 74% by customers, clients, patients, and visitors (n = 19), and 89% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Businesses | 86% | 95% | 74% | 89%
Data Table 1 reports restaurants/bars (a business sub-type) as the location in 20% of all attacks (n = 50), 5% of attacks by current or former employees (n = 22), 37% by customers, clients, patients, and visitors (n = 19), and 22% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Restaurants/Bars | 20% | 5% | 37% | 22%
Data Table 1 reports retail (a business sub-type) as the location in 6% of all attacks (n = 50), 9% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 11% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Retail | 6% | 9% | 0% | 11%
Data Table 1 reports services (a business sub-type) as the location in 22% of all attacks (n = 50), 23% of attacks by current or former employees (n = 22), 21% by customers, clients, patients, and visitors (n = 19), and 22% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Services | 22% | 23% | 21% | 22%
Data Table 1 reports manufacturing/distribution (a business sub-type) as the location in 20% of all attacks (n = 50), 45% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Manufacturing/Distribution | 20% | 45% | 0% | 0%
Data Table 1 reports healthcare (a business sub-type) as the location in 14% of all attacks (n = 50), 9% of attacks by current or former employees (n = 22), 16% by customers, clients, patients, and visitors (n = 19), and 22% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Healthcare | 14% | 9% | 16% | 22%
Data Table 1 reports government/military (a business sub-type) as the location in 6% of all attacks (n = 50), 9% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 11% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Government/Military | 6% | 9% | 0% | 11%
Data Table 1 reports government (a sub-row of government/military) as the location in 4% of all attacks (n = 50), 5% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 11% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Government | 4% | 5% | 0% | 11%
Data Table 1 reports military (a sub-row of government/military) as the location in 2% of all attacks (n = 50), 5% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Military | 2% | 5% | 0% | 0%
Data Table 1 reports a residential community as the location in 4% of all attacks (n = 50), 0% of attacks by current or former employees (n = 22), 11% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Residential Community | 4% | 0% | 11% | 0%
Data Table 1 reports open space as the location in 8% of all attacks (n = 50), 9% of attacks by current or former employees (n = 22), 5% by customers, clients, patients, and visitors (n = 19), and 11% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Open Space | 8% | 9% | 5% | 11%
Data Table 1 reports a school as the location in 2% of all attacks (n = 50), 0% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 11% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
School | 2% | 0% | 0% | 11%
Data Table 1 reports non-profit services as the location in 4% of all attacks (n = 50), 0% of attacks by current or former employees (n = 22), 11% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Non-profit Services | 4% | 0% | 11% | 0%
Data Table 1 reports a grievance motive in 88% of all attacks (n = 50), 95% of attacks by current or former employees (n = 22), 79% by customers, clients, patients, and visitors (n = 19), and 89% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Grievance | 88% | 95% | 79% | 89%
Data Table 1 reports a personal grievance (a sub-row of grievance) as a motive in 38% of all attacks (n = 50), 18% of attacks by current or former employees (n = 22), 68% by customers, clients, patients, and visitors (n = 19), and 22% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Personal | 38% | 18% | 68% | 22%
Data Table 1 reports a workplace grievance (a sub-row of grievance) as a motive in 36% of all attacks (n = 50), 77% of attacks by current or former employees (n = 22), 5% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Workplace | 36% | 77% | 5% | 0%
Data Table 1 reports a domestic grievance (a sub-row of grievance) as a motive in 22% of all attacks (n = 50), 14% of attacks by current or former employees (n = 22), 5% by customers, clients, patients, and visitors (n = 19), and 78% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Domestic | 22% | 14% | 5% | 78%
Data Table 1 reports psychotic symptoms as a motive in 12% of all attacks (n = 50), 23% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 11% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Psychotic Symptoms | 12% | 23% | 0% | 11%
Data Table 1 reports ideology as a motive in 2% of all attacks (n = 50), 0% of attacks by current or former employees (n = 22), 5% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Ideology | 2% | 0% | 5% | 0%
Data Table 1 reports fame or notoriety as a motive in 2% of all attacks (n = 50), 5% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Fame or Notoriety | 2% | 5% | 0% | 0%
Data Table 1 reports a desire to kill as a motive in 4% of all attacks (n = 50), 5% of attacks by current or former employees (n = 22), 5% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Desire to kill | 4% | 5% | 5% | 0%
Data Table 1 reports an other motive in 2% of all attacks (n = 50), 5% of attacks by current or former employees (n = 22), 0% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
| Other | 2% | 5% | 0% | 0% | | Undetermined | 6% | 0% | 16% | 0% |
Data Table 1 reports the motive as undetermined in 6% of all attacks (n = 50), 0% of attacks by current or former employees (n = 22), 16% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Undetermined | 6% | 0% | 16% | 0%
Data Table 1 reports total casualties (injuries plus deaths) of 247 (4.94 average) for all attacks (n = 50), 125 (5.68 average) for current or former employees (n = 22), 92 (4.84 average) for customers, clients, patients, and visitors (n = 19), and 30 (3.33 average) for romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
**Total Casualties (Injuries + Deaths)** | 247 (4.94 avg) | 125 (5.68 avg) | 92 (4.84 avg) | 30 (3.33 avg)
Data Table 1 reports 128 people injured (2.56 average) in all attacks (n = 50), 63 (2.86 average) by current or former employees (n = 22), 57 (3.00 average) by customers, clients, patients, and visitors (n = 19), and 8 (0.89 average) by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Injured | 128 (2.56 avg) | 63 (2.86 avg) | 57 (3.00 avg) | 8 (0.89 avg)
Data Table 1 reports 119 people killed (2.38 average) in all attacks (n = 50), 62 (2.82 average) by current or former employees (n = 22), 35 (1.84 average) by customers, clients, patients, and visitors (n = 19), and 22 (2.44 average) by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Killed | 119 (2.38 avg) | 62 (2.82 avg) | 35 (1.84 avg) | 22 (2.44 avg)
Data Table 1 reports that attackers stopped on their own in 76% of all attacks (n = 50), 77% of attacks by current or former employees (n = 22), 68% by customers, clients, patients, and visitors (n = 19), and 88% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Attackers stopped on their own, then... | 76% | 77% | 68% | 88%
Data Table 1 reports that the attacker stopped on their own and was then arrested at or away from the scene in 30% of all attacks (n = 50), 22% for current or former employees (n = 22), 37% for customers, clients, patients, and visitors (n = 19), and 35% for romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Arrested at/away from scene | 30% | 22% | 37% | 35%
Data Table 1 reports that the attacker stopped on their own and then committed suicide in 46% of all attacks (n = 50), 54% for current or former employees (n = 22), 31% for customers, clients, patients, and visitors (n = 19), and 54% for romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Committed suicide | 46% | 54% | 31% | 54%
Data Table 1 reports that law enforcement intervened in 18% of all attacks (n = 50), 23% of attacks by current or former employees (n = 22), 15% by customers, clients, patients, and visitors (n = 19), and 12% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Law enforcement intervened, then... | 18% | 23% | 15% | 12%
Data Table 1 reports that law enforcement intervened and the attacker was then arrested at or away from the scene in 4% of all attacks (n = 50), 0% for current or former employees (n = 22), 10% for customers, clients, patients, and visitors (n = 19), and 0% for romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Arrested at/away from scene | 4% | 0% | 10% | 0%
Data Table 1 reports that law enforcement intervened and killed the attacker in 14% of all attacks (n = 50), 23% for current or former employees (n = 22), 5% for customers, clients, patients, and visitors (n = 19), and 12% for romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Killed by law enforcement | 14% | 23% | 5% | 12%
Data Table 1 reports that bystanders intervened in 4% of all attacks (n = 50), 0% of attacks by current or former employees (n = 22), 11% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Bystanders intervened, then... | 4% | 0% | 11% | 0%
Data Table 1 reports that bystanders intervened and the attacker was then arrested at or away from the scene in 2% of all attacks (n = 50), 0% for current or former employees (n = 22), 6% for customers, clients, patients, and visitors (n = 19), and 0% for romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Arrested at/away from scene | 2% | 0% | 6% | 0%
Data Table 1 reports that bystanders intervened followed by an other outcome in 2% of all attacks (n = 50), 0% for current or former employees (n = 22), 6% for customers, clients, patients, and visitors (n = 19), and 0% for romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Other | 2% | 0% | 6% | 0%
Data Table 1 reports that the weapon was rendered inoperable in 2% of all attacks (n = 50), 0% of attacks by current or former employees (n = 22), 5% by customers, clients, patients, and visitors (n = 19), and 0% by romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Weapon rendered inoperable, then... | 2% | 0% | 5% | 0%
Data Table 1 reports that the weapon was rendered inoperable and the attacker was then arrested at or away from the scene in 2% of all attacks (n = 50), 0% for current or former employees (n = 22), 5% for customers, clients, patients, and visitors (n = 19), and 0% for romantic partners and relatives (n = 9).
Sample (N = 50 | 22 | 19 | 9 by column) · Data Table 1 columns: all attacks 50 | employees 22 | customers, clients, patients, visitors 19 | partners and relatives 9
Arrested at/away from scene | 2% | 0% | 5% | 0%
Data Table 2 (Attacker Data) reports gender, age range, race/ethnicity, arrests/charges, history of domestic violence, mental health symptoms, stressors, concerning communications, elicited concern, bullying/harassment, inappropriate interest in violence or weapons, and behavior change for all attackers (n = 51) and for current or former employees (n = 22), customers, clients, patients, and visitors (n = 20), and romantic partners and relatives (n = 9). The column ns printed are 51 | 22 | 20 | 9.
ATTACKER DATA
Data Table 2 column headers give all attackers as n = 51 / 28%, current or former employees as n = 22 / 12%, customers, clients, patients, and visitors as n = 20 / 11%, and romantic partners and relatives as n = 9 / 5%.
Sample (n = 51 of undeterminable) · attackers in the NTAC 2023 population of 173 mass attacks
| ATTACKER DATA | All Attackers<br>n = 51 / 28% | Current or Former Employees<br>n = 22 / 12% | Customers, Clients, Patients, and Visitors<br>n = 20 / 11% | Romantic Partners and Relatives<br>n = 9 / 5% |
Why inferred table header: the column headers are printed in the table; the <br> marks the line break inside each printed header cell and is not printed text
In Data Table 2, history of domestic violence indicates at least one incident of domestic violence, which may or may not have resulted in an arrest or criminal charge.
*Indicates at least one incident of domestic violence which may or may not have resulted in an arrest or criminal charge.
Data Table 2 reports that 96% of all attackers (n = 51) were male, as were 95% of current or former employees (n = 22), 95% of customers, clients, patients, and visitors (n = 20), and 100% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Male | 96% | 95% | 95% | 100%
Data Table 2 reports that 2% of all attackers (n = 51) were female, as were 0% of current or former employees (n = 22), 5% of customers, clients, patients, and visitors (n = 20), and 0% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Female | 2% | 0% | 5% | 0%
Data Table 2 reports an other gender for 2% of all attackers (n = 51), 5% of current or former employees (n = 22), 0% of customers, clients, patients, and visitors (n = 20), and 0% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Other | 2% | 5% | 0% | 0%
Data Table 2 gives an age range of 22-66 (41.0 average) for all attackers (n = 51), 22-64 (40.1 average) for current or former employees (n = 22), 23-66 (41.1 average) for customers, clients, patients, and visitors (n = 20), and 27-58 (42.9 average) for romantic partners and relatives (n = 9).
**Age Range (average)** | 22-66 (41.0 avg) | 22-64 (40.1 avg) | 23-66 (41.1 avg) | 27-58 (42.9 avg)
Data Table 2 reports that 41% of all attackers (n = 51) were White (non-Hispanic/ethnicity unknown), as were 32% of current or former employees (n = 22), 55% of customers, clients, patients, and visitors (n = 20), and 33% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
White (non-Hispanic/ethnicity unknown) | 41% | 32% | 55% | 33%
Data Table 2 reports that 29% of all attackers (n = 51) were Black/African American, as were 50% of current or former employees (n = 22), 10% of customers, clients, patients, and visitors (n = 20), and 22% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Black/African American | 29% | 50% | 10% | 22%
Data Table 2 reports that 14% of all attackers (n = 51) were Hispanic/Latino, as were 9% of current or former employees (n = 22), 20% of customers, clients, patients, and visitors (n = 20), and 11% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Hispanic/Latino | 14% | 9% | 20% | 11%
Data Table 2 reports that 12% of all attackers (n = 51) were Asian, as were 9% of current or former employees (n = 22), 5% of customers, clients, patients, and visitors (n = 20), and 33% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Asian | 12% | 9% | 5% | 33%
Data Table 2 reports race/ethnicity as undetermined for 4% of all attackers (n = 51), 0% of current or former employees (n = 22), 10% of customers, clients, patients, and visitors (n = 20), and 0% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Undetermined | 4% | 0% | 10% | 0%
Data Table 2 reports a history of arrests/charges for 65% of all attackers (n = 51), 64% of current or former employees (n = 22), 70% of customers, clients, patients, and visitors (n = 20), and 56% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
**Arrests/Charges** | 65% | 64% | 70% | 56%
Data Table 2 reports arrests/charges for domestic violence for 18% of all attackers (n = 51), 9% of current or former employees (n = 22), 20% of customers, clients, patients, and visitors (n = 20), and 33% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Domestic Violence | 18% | 9% | 20% | 33%
Data Table 2 reports arrests/charges for sex crimes for 8% of all attackers (n = 51), 9% of current or former employees (n = 22), 10% of customers, clients, patients, and visitors (n = 20), and 0% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Sex Crimes | 8% | 9% | 10% | 0%
Data Table 2 reports arrests/charges for other violent crimes for 31% of all attackers (n = 51), 27% of current or former employees (n = 22), 35% of customers, clients, patients, and visitors (n = 20), and 33% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Other Violent Crimes | 31% | 27% | 35% | 33%
Data Table 2 reports arrests/charges for non-violent crimes for 57% of all attackers (n = 51), 55% of current or former employees (n = 22), 65% of customers, clients, patients, and visitors (n = 20), and 44% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Non-Violent Crimes | 57% | 55% | 65% | 44%
Data Table 2 reports a history of domestic violence for 53% of all attackers (n = 51), 41% of current or former employees (n = 22), 55% of customers, clients, patients, and visitors (n = 20), and 78% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
**History of Domestic Violence*** | 53% | 41% | 55% | 78%
Data Table 2 reports mental health symptoms for 59% of all attackers (n = 51), 64% of current or former employees (n = 22), 55% of customers, clients, patients, and visitors (n = 20), and 56% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
**Mental Health Symptoms** | 59% | 64% | 55% | 56%
Data Table 2 reports a known mental health treatment/diagnosis for 39% of all attackers (n = 51), 36% of current or former employees (n = 22), 45% of customers, clients, patients, and visitors (n = 20), and 33% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Known Treatment/Diagnosis | 39% | 36% | 45% | 33%
Data Table 2 reports psychosis for 29% of all attackers (n = 51), 41% of current or former employees (n = 22), 20% of customers, clients, patients, and visitors (n = 20), and 22% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Psychosis | 29% | 41% | 20% | 22%
Data Table 2 reports paranoia (a sub-row of psychosis) for 22% of all attackers (n = 51), 41% of current or former employees (n = 22), 5% of customers, clients, patients, and visitors (n = 20), and 11% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Paranoia | 22% | 41% | 5% | 11%
Data Table 2 reports delusions (a sub-row of psychosis) for 12% of all attackers (n = 51), 23% of current or former employees (n = 22), 0% of customers, clients, patients, and visitors (n = 20), and 11% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Delusions | 12% | 23% | 0% | 11%
Data Table 2 reports hallucinations (a sub-row of psychosis) for 10% of all attackers (n = 51), 18% of current or former employees (n = 22), 0% of customers, clients, patients, and visitors (n = 20), and 11% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Hallucinations | 10% | 18% | 0% | 11%
Data Table 2 reports depression for 29% of all attackers (n = 51), 32% of current or former employees (n = 22), 20% of customers, clients, patients, and visitors (n = 20), and 44% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Depression | 29% | 32% | 20% | 44%
Data Table 2 reports suicidal ideations/attempts for 18% of all attackers (n = 51), 14% of current or former employees (n = 22), 15% of customers, clients, patients, and visitors (n = 20), and 33% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Suicidal Ideations/Attempts | 18% | 14% | 15% | 33%
Data Table 2 reports stressors within 5 years of the attack for 92% of all attackers (n = 51), 91% of current or former employees (n = 22), 95% of customers, clients, patients, and visitors (n = 20), and 89% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
**Stressors (within 5 years of attack)** | 92% | 91% | 95% | 89%
Data Table 2 reports a triggering event for 43% of all attackers (n = 51), 32% of current or former employees (n = 22), 60% of customers, clients, patients, and visitors (n = 20), and 33% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Triggering Event | 43% | 32% | 60% | 33%
Data Table 2 reports financial instability for 55% of all attackers (n = 51), 59% of current or former employees (n = 22), 55% of customers, clients, patients, and visitors (n = 20), and 44% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Financial Instability | 55% | 59% | 55% | 44%
Data Table 2 reports personal stressors for 47% of all attackers (n = 51), 50% of current or former employees (n = 22), 45% of customers, clients, patients, and visitors (n = 20), and 44% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Personal Stressors | 47% | 50% | 45% | 44%
Data Table 2 reports romantic stressors for 39% of all attackers (n = 51), 26% of current or former employees (n = 22), 25% of customers, clients, patients, and visitors (n = 20), and 78% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Romantic Stressors | 39% | 26% | 25% | 78%
Data Table 2 reports employment stressors for 45% of all attackers (n = 51), 73% of current or former employees (n = 22), 15% of customers, clients, patients, and visitors (n = 20), and 44% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Employment Stressors | 45% | 73% | 15% | 44%
Data Table 2 reports concerning communications by 75% of all attackers (n = 51), 77% of current or former employees (n = 22), 65% of customers, clients, patients, and visitors (n = 20), and 89% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
**Concerning Communications** | 75% | 77% | 65% | 89%
Data Table 2 reports a history of making threats for 47% of all attackers (n = 51), 41% of current or former employees (n = 22), 40% of customers, clients, patients, and visitors (n = 20), and 78% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
History of Making Threats | 47% | 41% | 40% | 78%
Data Table 2 reports a threat specific to the target by 31% of all attackers (n = 51), 32% of current or former employees (n = 22), 25% of customers, clients, patients, and visitors (n = 20), and 56% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Threat Specific to the Target | 31% | 32% | 25% | 56%
Data Table 2 reports communications indicating imminence of attack by 8% of all attackers (n = 51), 5% of current or former employees (n = 22), 5% of customers, clients, patients, and visitors (n = 20), and 11% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Indicating Imminence of Attack | 8% | 5% | 5% | 11%
Data Table 2 reports that 78% of all attackers (n = 51) elicited concern, as did 82% of current or former employees (n = 22), 75% of customers, clients, patients, and visitors (n = 20), and 78% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
**Elicited Concern** | 78% | 82% | 75% | 78%
Data Table 2 reports that 24% of all attackers (n = 51) elicited concern at work, as did 41% of current or former employees (n = 22), 10% of customers, clients, patients, and visitors (n = 20), and 11% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Elicited Concern at Work | 24% | 41% | 10% | 11%
Data Table 2 reports that 61% of all attackers (n = 51) elicited concern for safety, as did 41% of current or former employees (n = 22), 75% of customers, clients, patients, and visitors (n = 20), and 78% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Elicited Concern for Safety | 61% | 41% | 75% | 78%
Data Table 2 reports that 18% of all attackers (n = 51) were victims of bullying/harassment, as were 36% of current or former employees (n = 22), 5% of customers, clients, patients, and visitors (n = 20), and 0% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Victim of | 18% | 36% | 5% | 0%
Data Table 2 reports that 47% of all attackers (n = 51) were perpetrators of bullying/harassment, as were 41% of current or former employees (n = 22), 40% of customers, clients, patients, and visitors (n = 20), and 78% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
Perpetrator of | 47% | 41% | 40% | 78%
Data Table 2 reports an inappropriate interest in violence or weapons for 10% of all attackers (n = 51), 9% of current or former employees (n = 22), 10% of customers, clients, patients, and visitors (n = 20), and 11% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
**Inappropriate Interest in Violence or Weapons** | 10% | 9% | 10% | 11%
Data Table 2 reports a behavior change for 41% of all attackers (n = 51), 55% of current or former employees (n = 22), 25% of customers, clients, patients, and visitors (n = 20), and 44% of romantic partners and relatives (n = 9).
Sample (N = 51 | 22 | 20 | 9 by column) · Data Table 2 columns: all attackers 51 | employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9
**Behavior Change** | 41% | 55% | 25% | 44%
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