Mass Murder 🇨🇦

NOTE: Mass killings are defined as 4+ victim deaths.
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de Grood in Calgary in 2014

Date Name City Province Licensed Victims Deaths Injuries Suicide Firearms OIC Impact
2014 de Grood Calgary AB No 5 5 0 No No No

Used

Knife

Warnings

Mentally Ill

AI Synthesis

Generated summary

Classification: reported
Reasoning: There is at least one credible source (Source 1: news article from Calgary City News) that provides information about the incident.

Incident Summary
On [date not specified], Matthew De Grood stabbed five people to death at a house party in Calgary, Alberta. He was found not criminally responsible and has since been given more freedoms by the Alberta's Criminal Code Review Board.

Well-Supported Details

  • Matthew De Grood was involved in a stabbing incident at a house party in Calgary, Alberta, resulting in the deaths of five people.
  • He was found not criminally responsible for the incident.
  • The Alberta's Criminal Code Review Board has granted him more freedoms, including visiting his family's home in Calgary for up to two weeks, traveling to British Columbia and Ontario with a responsible adult, and considering him a low risk to reoffend.
  • However, the board has not granted him an absolute discharge due to concerns about his continued threat to public safety.

Unverified or Conflicting Claims

  • Source 2: The article from Christopher Di Armani's website makes unsubstantiated claims about the victims being "Illuminati vampires and werewolves." This claim is not supported by any credible sources and is likely an example of conspiracy theory or misinformation.

Source Quality Notes

  • Source 1: Calgary City News (credible) - a reputable news source with a clear summary of the incident and the review board's decision.
  • Source 2: Christopher Di Armani's website (social) - a website with a history of publishing conspiracy theories and misinformation, making its claims unreliable.
Status: Reported by at least one credible source. Credible: 1, Social: 0, Other: 1.

News Stories

Other
https://christopherdiarmani.com/13723/crime/canadian-mass-murders/matthew-de-grood-2014-calgary-stabbing-victims-were-illuminati-vampires-and-werewolves/

No article text available for reliable summarization.

News
https://calgary.citynews.ca/2025/12/19/matthew-de-grood-criminal-review-board/

Matthew De Grood, who was found not criminally responsible for stabbing five people to death at a Calgary house party in 2014, has been given more freedoms by Alberta's Criminal Code Review Board. He is now allowed to visit his family's home in Calgary for up to two weeks, travel to British Columbia and Ontario with a responsible adult, and is considered a low risk to reoffend. However, the board has not granted him an absolute discharge due to concerns about his continued threat to public safety.