The daughters of a woman who was killed in Nova Scotia twelve days ago by her husband before he killed himself are calling on the RCMP for more transparency around domestic violence, alleging the force is covering up what happened because their mother's husband was a retired Mountie. 

Tara Graham, 41, and Ashley Whitten, 38, say their mother, Brenda Tatlock-Burke, 59, was in a toxic and controlling relationship with their stepfather, Mike Burke, for more than 30 years and had told them she was p…