A look at notable not criminally responsible cases in Canada [Video]

A judge has ruled that Pierre Ny St-Amand, 53, was not criminally responsible for the 2023 bus attack on a Laval, Que., daycare that killed two small children and injured six others. Superior Court Justice Éric Downs concluded Ny St-Amand was experiencing psychosis and could not discern right from wrong. He has been ordered detained in a psychiatric hospital.

Here’s a look at some other high-profile Canadian cases in which there was a not criminally responsible finding:

Blair Donnelly stabbed his 16-year-old daughter to death in Kitimat, B.C., in 2006 and was found not criminally responsible on account of a mental disorder. The decision drew renewed attention in 2023 when Donnelly was charged with aggravated assault after three people were stabbed at a Vancouver Chinatown festival. He was free on day release from a forensic psychiatric hospital at the time.

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Matthew Raymond shot and killed four people — two civilians …