Canada's mass shooter assaulted his girlfriend before killing 22 people
"It was a significant assault, and this individual female did manage to escape, and that could very well have been the catalyst to start the chain of events."
A figurine of a female police officer is seen at a makeshift memorial for slain Royal Canadian Mounted Police (RCMP) Constable Heidi Stevenson, who was one of the victims of Sunday's mass shooting, is seen in front of her detachment in Enfield, Nova Scotia, Canada(photo credit: REUTERS)ByREUTERS
