Steven Outlaw , 51 , confronted his neighbor , 46-year-old Mary Pitts-Devine , in their West Philadelphia apartment building on Sunday morning . The confrontation began when Pitts-Devine, who lives with her husband and two young children, went to the bathroom at about 7 a.m. He then went into his own apartment and shot himself in the head . Outlaw had believed that Pitts-Devine was spying on him and had made noise complaints against her , according to reports .
Steven Outlaw , 51 , confronted his neighbor , 46-year-old Mary Pitts-Devine , in their West Philadelphia apartment building on Sunday morning . He shot at her 10 times , hitting her with eight bullets . He then went into his own apartment and shot himself in the head . Outlaw had believed that Pitts-Devine was spying on him and had made noise complaints against her , according to reports .