The Fight Against ‘Mental Health Homicide’
The term “mental health homicide” is emerging as a critical focal point for families and advocates seeking to prevent killings committed by individuals under mental health treatment. The tragedy in Nottingham, where Grace O’Malley-Kumar and others were killed by Valdo Calocane, highlights a devastating gap in the system.

Calocane, a paranoid schizophrenic with a history of violence, had been sectioned four times and had doctors warn that he might “kill someone.” Despite this, he slipped through the cracks of both medical and police systems.
Future trends in public safety are shifting toward a goal of reducing these incidents to zero. The focus is moving toward more rigorous monitoring of patients who refuse antipsychotic medication and ensuring that warnings from clinicians are acted upon with urgency by law enforcement.
Moving Beyond ‘Lessons Learned’ to Full Accountability
For too long, public inquiries have ended with “lessons learned” reports that fail to result in individual or institutional consequences. The O’Malley-Kumar family is now campaigning for a shift toward full accountability.
In the Nottingham case, investigations revealed a litany of failures. Calocane had a warrant out for his arrest at the time of the attacks, yet he was still able to carry out a well-planned rampage involving weapons and changes of clothes.
The trend is moving toward demanding that those who “didn’t do their jobs properly” face direct consequences. This represents a shift from systemic apology to individual responsibility within the NHS and police forces.
For more on how these failures manifest, see the reports on police sharing graphic details of victims via WhatsApp.
The Demand for Statutory Inquiries
Families are increasingly pushing for statutory public inquiries rather than internal reviews. This ensures a legal framework for evidence gathering and a higher level of transparency in how failures are documented.
[Internal Link: How to Navigate Public Inquiry Processes]
Improving Crisis Response and Victim Care
The aftermath of a tragedy is often where institutions fail most acutely. The O’Malley-Kumar family experienced a harrowing ten-hour delay before being formally notified of Grace’s death, despite calling hospitals and police repeatedly.
the inappropriate access to bodycam footage of victims by some officers has highlighted a desperate need for stricter data protocols and ethical training within police departments.
Future protocols are likely to prioritize:
- Immediate Notification: Standardizing the timeline for informing next-of-kin.
- Strict Evidence Control: Implementing automated locks on sensitive imagery to prevent unauthorized access.
- Victim-Centric Communication: Moving away from “boilerplate” responses to personalized, supportive communication.
The Role of International Support in Cross-Border Tragedies
When victims hold dual citizenship, the role of foreign governments becomes vital. The O’Malley-Kumar family, who are Irish citizens, expressed profound disappointment in the lack of support from the Irish Government during their campaign for a statutory inquiry.
Despite Grace’s love for Ireland and her aspirations to play hockey for the Irish under-21s, the family felt the Irish State provided only “basic acknowledgment” in response to their pleas for support.
This highlights a growing need for embassies and foreign departments to provide more than just sympathies. There is a trend toward expecting active diplomatic support and acknowledgment of honors, such as the George Medal, for citizens killed abroad.
Frequently Asked Questions
What is ‘mental health homicide’?
It refers to killings committed by individuals who are under mental health treatment but may have slipped through systemic cracks, such as by stopping their medication.

Why was the Nottingham attack considered avoidable?
The perpetrator had a history of violence, had been sectioned multiple times and had a warrant out for his arrest, yet failures by police and medical teams allowed him to carry out the attack.
What is the difference between ‘lessons learned’ and ‘accountability’?
‘Lessons learned’ typically refers to general systemic improvements, while ‘accountability’ involves holding specific individuals or institutions responsible for failures in their duties.
Join the Conversation
Do you believe current mental health laws provide enough protection to prevent violent incidents? How can institutions be held more accountable?
Share your thoughts in the comments below or subscribe to our newsletter for more deep dives into systemic justice.
