Inquests Reveal Triple Killer Had History of Cannabis-Induced Psychosis
Inquests into the deaths of three pensioners reveal the perpetrator suffered from cannabis-induced psychosis. Policy Wire examines the court findings.
POLICY WIRE — London, United Kingdom — Inquests have revealed that a man responsible for the deaths of three elderly individuals in their own homes possessed a documented history of cannabis-induced psychosis.
The court proceedings highlighted that the perpetrator, identified as Alexander Lewis, had previously struggled with mental health issues. Jurors were informed that Lewis was not evaluated by a mental health nurse prior to his release from police custody, a decision that preceded the fatal attacks on the three pensioners.
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The investigation into these killings follows a broader pattern of violent incidents involving individuals with histories of substance abuse and psychiatric conditions. In a separate but related context, legal records from April 4, 2025, detailed a different case involving a defendant with paranoid schizophrenia who had utilized synthetic cannabis, known as spice, before committing a brutal assault on an 87-year-old victim.
Furthermore, the court heard testimony regarding an Ontario man with a history of drug abuse who was deemed not criminally responsible for the murder of his mother. That individual had struck the victim multiple times on the head, back, neck, and arms during the incident.
Reporting by Policy-Wire (PW)





