After a nine-month trial, Scott Matheson was found not criminally responsible due to mental disorder on a charge of second-degree murder in the 2021 killing of his 64-year-old neighbour, Robert Dobronay.

In his concluding statement, Justice Geoffrey Gaul determined that Matheson operated “under the delusion” that Dobronay was poisoning him and that his life was in danger.

Gaul said he was “satisfied,” after considering all the evidence, that the defence of mental disorder had been established.

“In my opinion, when Mr. Matheson killed Mr. Dobronay, he was suffering from a mental disorder that disrupted his ability to think rationally and… rendered him incapable of knowing that his actions were wrong,” he said. “Consequently… I find Mr. Matheson is not currently responsible for the murder

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