The Atlantic Denture Clinic is guarded by police in Dartmouth, N.S. on Monday, April 20, 2020. The repeated threats and isolation a Nova Scotia mass shooter allegedly used against his spouse show why such cruelty should be a criminal offence in Canada, experts on domestic violence say. Acquaintances and former neighbours have described the 51-year-old killer as a clever and manipulative millionaire who would threaten harm to his spouse's family, control her money or cut off her means of escape by removing the tires from her car or blocking the driveway. THE CANADIAN PRESS/Andrew Vaughan
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