MONTREAL - Final arguments are set to begin today in a hearing involving a Quebec man who killed two children and injured six others when he drove a city bus into a Montreal-area daycare in 2023.

Lawyers for Pierre Ny St-Amand say it would be unconstitutional for a Quebec Superior Court judge to declare him a high-risk offender, a designation that would impose stricter rules on him while he is detained at a psychiatric hospital.

They want the judge to strike down the section of the Criminal Code that allows courts to label certain people deemed not criminally responsible as high-risk.

The judge ruled in April that Ny St-Amand was likely in psychosis when he crashed a bus into a daycare in Laval, Que., killing a four-year-old boy and a five-year-old girl.

The Crown says Ny St-Amand’s ac

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