A Toronto man who shot and killed two strangers in April 2022 was likely suffering from a mental disorder that rendered him unable to know the moral wrongfulness of his actions, a forensic psychiatrist argues.

Dr. Lisa Ramshaw made those remarks in downtown Toronto courtroom Thursday in the trial of Richard Edwin, who has pleaded not guilty to two counts of first-degree murder in two fatal shootings on April 7 and 9, 2022.

Edwin is arguing he should be found not criminally responsible (NCR) due to a mental disorder. Ramshaw told court that on a balance of probabilities, a defence of NCR on account of mental illness is supported for the now 43-year-old man.

In a report filed in court prepared by Ramshaw after she met with Edwin on two occasions in February and March 2025 to assess his cr

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