The Atlantic Denture Clinic is guarded by police in Dartmouth, N.S. on April 20, 2020. (Andrew Vaughan/The Canadian Press)
Prime Minister Justin Trudeau says a weekend killing rampage in Nova Scotia has now claimed 18 lives.
Investigators are continuing to piece together one of Canadas deadliest mass killings, carried out by a man who at one point donned a police uniform and drove a mock−up cruiser.