DSM-5
The Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) is a comprehensive guide used by mental health professionals to diagnose and classify mental disorders. It provides a standardized framework for understanding and categorizing various psychological conditions. In the context of mass murders, the DSM-5 can offer valuable insights into the potential mental health factors that may contribute to such acts of violence.
It is important to note that not all mass murderers have a diagnosable mental disorder. However, studying the DSM-5 can help us understand the psychological profiles of those who do. By examining the diagnostic criteria and symptoms associated with certain disorders, we can gain a deeper understanding of the complexities involved in these tragic events.
Pulse Night Club
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Intermittent Explosive Disorder
Ecole Polytechnique
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Antisocial Personality Disorder
Justification of Diagnosis
- Disregarding women’s rights in positions traditionally held by men.
- Experienced Childhood abuse or neglect, unstable or erratic parenting or inconsistent parental; discipline
- Witnessed his father at a young age abuse and disregard his mother.
- Failure to accept the societal norms and women’s rights in the workforce/ institutions.
- Displayed signs of Aggression, Sexual Frustration, Low Self-Esteem, Depression,
- Receives a dishonorable discharge/Rejection from military service.
Marc and his sister Nadia. 1960s
Source: Personal Arquive
DSM-5 Antisocial Personality Disorder
1.Failure to conform to social norms with respect to lawful behaviors, as indicated by repeatedly performing acts that are grounds for arrest.
2. Deceitfulness, as indicated by repeated lying, use of aliases, or conning others for personal profit or pleasure.
3. Impulsivity
4. Irritability and aggressiveness, as indicated by repeated physical fights or assaults.
5. Reckless disregard for the safety of self or others.
6. Consistent irresponsibility, as indicated by repeated failure to sustain consistent work behavior or honor financial obligations.
7. Lack of remorse, as indicated by being indifferent to or rationalizing having hurt, mistreated, or stolen from another.
Virginia Tech
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Grandiose Schizotypal Personality Disorder
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Persecutory Schizotypal Personality Disorder:
Justification of Diagnosis
- Show unregulated bursts of anger or aggression throughout earlier childhood and progressed throughout life.
- Engaged in multiple instances of invoking Physical and Verbal abuse onto others.
- Found to be seen in more males than females.
- Social, occupational, financial, and legal stressors can result in IED aggressive behaviour.