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Supreme Court agrees to weigh in on ‘extreme intoxication’ defence

The Supreme Court of Canada in Ottawa. Nick Westoll / File / Global News

TORONTO — The Supreme Court agreed on Wednesday to weigh in on a ruling related to the defence of extreme intoxication that had alarmed some women’s groups.

The court granted prosecutors in Ontario leave to appeal separate decisions in which two men had killed or injured close relatives.

The men were initially convicted but the province’s Court of Appeal set aside the guilty verdicts after finding part of the law unconstitutional. The impugned provision, enacted in 1995, bars an accused from using self-induced extreme intoxication as a defence.

Read more: New trial ordered for Thomas Chan

The two men, Thomas Chan and David Sullivan, were high on drugs they had taken voluntarily when they turned violent. One had eaten magic mushrooms; the other had tried to kill himself with an overdose of a prescription stop-smoking medication.

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Trial evidence was that both became psychotic and went on a rampage. Chan, a high school student, stabbed and killed his father and badly injured his father’s partner. Sullivan came to believe his mother was an alien and stabbed her.

Both men claimed they had no control over what they did — a state called automatism. However, their defence of “non-mental disorder automatism” ran afoul of the ban on arguing self-induced extreme intoxication.

The federal government barred the intoxication defence 25 years ago amid a backlash over a court ruling that recognized drunkenness could be raised in a sexual assault case.

Click to play video: 'Breaking down the Thomas Chan murder trial in Peterborough' Breaking down the Thomas Chan murder trial in Peterborough
Breaking down the Thomas Chan murder trial in Peterborough – Dec 7, 2018

In quashing their convictions and finding the law unconstitutional, the Appeal Court said it would be wrong to punish someone for something they had no control over.

“(The law) enables the conviction of individuals for acts they do not will,” the Appeal Court said.

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While such cases are rare, and successfully raising an intoxication defence difficult, critics argued the Appeal Court ruling had undermined a measure aimed at protecting women from sexual violence.

“We are dismayed that women’s rights to equality and dignity are not given more adequate treatment,” the Women’s Legal Education and Action Fund said of the Appeal Court ruling. “It also risks sending a dangerous message that men can avoid accountability for their acts of violence against women and children through intoxication.”

Both federal and Ontario New Democrats had urged an appeal.

Prosecutors sought leave to challenge the ruling before the Supreme Court, which agreed to hear the two cases as a single appeal. It’s not known when that might happen.

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