- Fascination with (not simply ownership of) weapons.
- Alcohol or drug abuse.
- Severe stress, possibly from personal problems such as divorce or bankruptcy.
- Anguish over a pending or recent demotion, termination, or corporate downsizing.
- Poor response to a recent negative performance review.
- Decreased or inconsistent job performance.
- Increase in noncompliance with company rules and procedures.
- History of violent incidents, threats, or reckless or antisocial behavior.
- References to notorious incidents of workplace violence or mass shootings.
- Psychological deterioration, such as bizarre behavior or sudden unreliability.
- Social isolation or poor peer relationships.
- Incidents of inappropriately crossing a co-worker’s or supervisor’s physical boundaries, such as following someone to the parking lot or home, making calls to a supervisor’s home, or going into someone’s office with a grievance too many times.
- Poor personal hygiene, especially deteriorated hygiene.
- Other major personality changes, such as appearing inappropriately withdrawn or agitated, or seeming to be out of touch with reality.
Violent Employees: A Risk Assessment Checklist

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