NCIER®

Mental Health

65 claims on pp. 14–95 (fact 35, statement 6, evidence 16, conjecture 4, definition 4).

Claims about Mental Health

Evidence [V] p014-10

Knife attack at mental health center after treatment denial

A 39-year-old man stabbed a counselor and other employees at a mental health center after the center had determined that morning he was not appropriate for its treatment program. He was subdued by a client until police arrived.

A 39-year-old man entered a mental health treatment center.

p. 14 · NCIER Claim Map
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Evidence [V] p014-27

Center had found the attacker unsuitable for treatment that morning due to violence history

Earlier that morning the center had determined the attacker was not appropriate for its treatment program because of his long history of violence and the severity of his mental health needs.

Earlier that morning, the center had determined that the attacker was not appropriate for their treatment program due to his long history of violence and the severity of his mental health needs.

p. 14 · NCIER Claim Map
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Evidence [V] p014-36

Mental health facility stabbers: one released a month earlier, one denied treatment hours earlier

One bladed-weapon attack at a mental health facility was perpetrated by a patient released one month earlier; another by an individual denied entry into a treatment program hours earlier.

including one attack perpetrated by a patient who had been released one month earlier and another who had been denied entry into a treatment program hours earlier

p. 14 · NCIER Claim Map
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Evidence [V] p015-12

Service member's on-base shooting after cumulative stressors

A 22-year-old U.S. military service member facing health, family, peer, and performance stressors, and seeking mental health care for sleep, coping, and belonging problems, fatally shot two civilian workers and injured a third on base before dying by suicide.

A 22-year-old service member in the U.S. military, armed with his service rifle and handgun, fatally shot two civilian workers and injured a third on base

p. 15 · NCIER Claim Map
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Evidence [V] p015-15

Service member repeatedly sought care for sleep, stress, and alienation problems

At multiple points the service member sought medical attention for mental health problems, including difficulty sleeping and concentrating, coping with stress, and feelings of alienation and not belonging among peers.

At multiple points in time, the attacker sought medical attention for mental health problems, including visits for difficulty sleeping and concentrating, issues coping with stress, and feelings of alienation and lacking a sense of belonging among his peers.

p. 15 · NCIER Claim Map
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Conjecture [V] p018-14

Most-motivated attacker appeared to combine psychosis, grievance, and fame-seeking

The attacker with the most motivations appeared to be motivated by psychotic symptoms, a workplace grievance, a desire to kill, and a desire for fame or notoriety.

appeared to be motivated by psychotic symptoms, a workplace grievance, a desire to kill, and a desire for fame or notoriety

p. 18 · NCIER Claim Map
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Evidence [V] p018-16

Grocery night-shift attacker held delusional belief of a cartoon ghost afterlife

The attacker held delusional beliefs that after death he would become a cartoon female ghost and join violent cartoon characters in an afterlife.

The attacker harbored delusional beliefs that when he died after his attack, he would become a cartoon female ghost character and join other violent cartoon characters in an afterlife.

p. 18 · NCIER Claim Map
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Evidence [V] p023-10

Former treatment patient held three employees hostage for eight hours

A gunman previously treated for PTSD at a residential treatment center took five hostages, released two, and fatally shot the remaining three employees after an eight-hour standoff. One victim had expelled him from the program two weeks earlier because he had knives and threatened to kill staff.

locked himself in a room with the remaining three victims for eight hours

p. 23 · NCIER Claim Map
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Fact [V] p026-01

Over half of workplace attackers (59%) had mental health symptoms before attacking

Over half of all workplace attackers (n = 30, 59%) were found to have experienced mental health symptoms prior to their attack.

Sample (n = 30 of 51) · attackers, all affiliation types

Over half of all workplace attackers (n = 30, 59%) were found to have experienced mental health symptoms prior to their attack

p. 26 · NCIER Claim Map
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Fact [V] p026-10

Nearly two-fifths (39%) had a prior mental health diagnosis or treatment

Nearly two-fifths of attackers (n = 20, 39%) received a prior diagnosis or treatment for a mental health issue before the attack.

Sample (n = 20 of 51) · attackers, all affiliation types

Nearly two-fifths of attackers (n = 20, 39%) received a prior diagnosis or treatment for a mental health issue before the attack.

p. 26 · NCIER Claim Map
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Evidence [V] p026-11

Warehouse employee blocked exit with forklift, shot coworkers, then died by suicide

A warehouse employee used a forklift to block an exit before shooting coworkers with a revolver. On a call to police he described hearing voices since his teens, past treatment for psychosis, and a belief that a manager was attacking his mind.

used a forklift to block an exit before shooting coworkers with a revolver

p. 26 · NCIER Claim Map
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Fact [V] p026-13

Workplace-targeting attackers had higher mental health struggles (64%)

Attackers who targeted a current or former workplace had a higher proportion of mental health struggles (n = 14, 64%) than other attackers.

Sample (n = 14 of 22) · current or former employee attackers (22 attacks, each by a lone attacker)

attackers who targeted a current or former place of employment experienced a higher proportion (n = 14, 64%) of mental health struggles than other attackers

p. 26 · NCIER Claim Map
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Fact [V] p026-14

Employee attackers had the most paranoia (41%)

Employee attackers experienced the most paranoia (n = 9, 41%) compared to other attacker categories.

Sample (n = 9 of 22) · current or former employee attackers (22 attacks, each by a lone attacker)

Employee attackers experienced the most paranoia (n = 9, 41%) and psychosis (n = 9, 41%)

p. 26 · NCIER Claim Map
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Fact [V] p026-18

Romantic partner and relative attackers showed depression at 44%

Attackers who targeted romantic partners or family members had higher rates of depression (n = 4, 44%) than others.

Sample (n = 4 of 9) · attacks by current or former romantic partners or relatives (9 attacks, each by a lone attacker)

this group had higher rates of depression (n = 4, 44%) and suicidal ideation (n = 3, 33%) than others

p. 26 · NCIER Claim Map
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Fact [V] p026-19

Romantic partner and relative attackers showed suicidal ideation at 33%

The same group had higher rates of suicidal ideation (n = 3, 33%) than others.

Sample (n = 3 of 9) · attacks by current or former romantic partners or relatives (9 attacks, each by a lone attacker)

and suicidal ideation (n = 3, 33%) than others

p. 26 · NCIER Claim Map
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Evidence [V] p026-24

Warehouse gunman told dispatch of hearing voices since teenage years

On the call, the attacker said he had heard voices since he was a teenager and had been treated for psychosis and schizophrenia.

On this call, the attacker told dispatchers that he had been hearing voices in his head since he was a teenager and that he had been previously treated for psychosis and schizophrenia.

p. 26 · NCIER Claim Map
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Fact [V] p026-26

Figure 3, any symptom: employees 64%, customers etc. 55%, partners and relatives 56%

Figure 3 shows any mental health symptom in 64% of current or former employee attackers, 55% of customer, client, patient, and visitor attackers, and 56% of romantic partner and relative attackers.

Sample (N = 22 | 20 | 9 by column) · Figure 3 columns: employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9

| Any | 64% | 55% | 56% |

p. 26 · NCIER Claim Map
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Fact [V] p026-27

Figure 3, paranoia: employees 41%, customers etc. 5%, partners and relatives 11%

Figure 3 shows paranoia in 41% of current or former employee attackers, 5% of customer, client, patient, and visitor attackers, and 11% of romantic partner and relative attackers.

Sample (N = 22 | 20 | 9 by column) · Figure 3 columns: employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9

| Paranoia | 41% | 5% | 11% |

p. 26 · NCIER Claim Map
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Fact [V] p026-28

Figure 3, psychosis: employees 41%, customers etc. 20%, partners and relatives 22%

Figure 3 shows psychosis in 41% of current or former employee attackers, 20% of customer, client, patient, and visitor attackers, and 22% of romantic partner and relative attackers.

Sample (N = 22 | 20 | 9 by column) · Figure 3 columns: employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9

| Psychosis | 41% | 20% | 22% |

p. 26 · NCIER Claim Map
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Fact [V] p026-29

Figure 3, depression: employees 32%, customers etc. 20%, partners and relatives 44%

Figure 3 shows depression in 32% of current or former employee attackers, 20% of customer, client, patient, and visitor attackers, and 44% of romantic partner and relative attackers.

Sample (N = 22 | 20 | 9 by column) · Figure 3 columns: employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9

| Depression | 32% | 20% | 44% |

p. 26 · NCIER Claim Map
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Fact [V] p026-30

Figure 3, suicidal ideation: employees 14%, customers etc. 15%, partners and relatives 33%

Figure 3 shows suicidal ideation in 14% of current or former employee attackers, 15% of customer, client, patient, and visitor attackers, and 33% of romantic partner and relative attackers.

Sample (N = 22 | 20 | 9 by column) · Figure 3 columns: employees 22 | customers, clients, patients, visitors 20 | partners and relatives 9

| Suicidal Ideation | 14% | 15% | 33% |

p. 26 · NCIER Claim Map
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Statement [V] p048-11

Additional training on mental health and de-escalation can be valuable

Other training, such as mental health, de-escalation, mediation, trauma-informed care, and tabletop exercises, can be valuable to team members.

Other training can be valuable to BTAM team members, including training on mental health

p. 48 · NCIER Claim Map
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Statement [V] p050-18

Concerning behavior: suicidal ideations

Suicidal ideations are among the behaviors that may be concerning.

Concerning behaviors may include escalating interpersonal disputes, grievances, concerning social media content, stalking and harassment, obsessions with violence, idolizing past attackers, fixating on people or locations, suicidal ideations, self-harm, unusual levels of aggression, threats, weapons violations, and physical assaults.

p. 50 · NCIER Claim Map
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Statement [V] p050-19

Concerning behavior: self-harm

Self-harm is among the behaviors that may be concerning.

Concerning behaviors may include escalating interpersonal disputes, grievances, concerning social media content, stalking and harassment, obsessions with violence, idolizing past attackers, fixating on people or locations, suicidal ideations, self-harm, unusual levels of aggression, threats, weapons violations, and physical assaults.

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Evidence [V] p054-01

Global corporation BTAM leader: common cases involve suicidal ideation and crisis

A BTAM team leader at a global corporation says common cases include suicidal ideation, individual crises, difficulty managing work, and domestic violence.

A lot of what we tend to see are cases involving suicidal ideation, someone going through an individualized crisis

p. 54 · NCIER Claim Map
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Conjecture [I] p054-05

Scenario behaviors may signal factors that could lead to harm

The scenario's behaviors may illustrate individual or environmental factors that, if unaddressed, could raise the possibility of harm to self or others.

may illustrate individual or environmental factors that, if unaddressed, could contribute to an increased possibility of harm to self or others

p. 54 · NCIER Claim Map

Why inferred Hedged with 'may illustrate' and 'could contribute', so typed as conjecture.

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Statement [V] p066-09

Social media may signal crisis and warrant further assessment

Social media content can also contain indicators that an individual is in crisis (e.g., expressions of hopelessness, desperation, pleas for help), which could warrant further assessment.

Social media content can also contain indicators that an individual is in crisis

p. 66 · NCIER Claim Map
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Definition [V] p068-05

Mental health theme covers symptoms such as paranoia and suicidality, particularly when untreated

Mental health history covers current or previous symptoms that negatively impact the individual, particularly when untreated, such as paranoia, delusions, depression, and suicidality.

Current or previous history of mental health symptoms that negatively impact the individual, particularly when left untreated

p. 68 · NCIER Claim Map
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Definition [V] p068-11

Mental health history need not include formal diagnoses or treatment

Mental health history may or may not include prior formal diagnoses, hospitalizations, and treatment (e.g., prescription medication).

Mental health history may or may not include prior formal diagnoses, hospitalizations, and treatment (e.g., prescription medication).

p. 68 · NCIER Claim Map
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Evidence [V] p073-08

Oct 2017 manufacturing-facility attack: paranoia after a physical assault

After his assault, the attacker was known to be paranoid, believing others were searching for him or out to get him.

In the aftermath of his assault, he was known to be paranoid, believing others were searching for him or out to get him.

p. 73 · NCIER Claim Map
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Conjecture [I] p088-04

Employee resources may build coping skills, mental wellness, and connection

These resources can be effective tools to enhance employees' coping skills, mental wellness, and sense of connection to work and colleagues.

These resources can be effective tools to enhance employees' coping skills, mental wellness, and sense of connection to their work, their colleagues, and their organization.

p. 88 · NCIER Claim Map

Why inferred Hedged with 'can be effective'; classified as conjecture.

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Fact [V] p094-27

Psychotic symptoms motive: all 12%, employees 23%, customers 0%, partners/relatives 11%

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%

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Fact [V] p095-19

Mental health symptoms: all 59%, employees 64%, customers 55%, partners/relatives 56%

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%

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Fact [V] p095-20

Known treatment/diagnosis: all 39%, employees 36%, customers 45%, partners/relatives 33%

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%

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Fact [V] p095-21

Psychosis: all 29%, employees 41%, customers 20%, partners/relatives 22%

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%

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Fact [V] p095-22

Paranoia: all 22%, employees 41%, customers 5%, partners/relatives 11%

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%

p. 95 · NCIER Claim Map
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Fact [V] p095-23

Delusions: all 12%, employees 23%, customers 0%, partners/relatives 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%

p. 95 · NCIER Claim Map
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Fact [V] p095-24

Hallucinations: all 10%, employees 18%, customers 0%, partners/relatives 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%

p. 95 · NCIER Claim Map
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Fact [V] p095-25

Depression: all 29%, employees 32%, customers 20%, partners/relatives 44%

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%

p. 95 · NCIER Claim Map
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Fact [V] p095-26

Suicidal ideations/attempts: all 18%, employees 14%, customers 15%, partners/relatives 33%

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%

p. 95 · NCIER Claim Map
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