Police: Arizona woman admits to suffocating 79-year-old mother with pillow 05/14/2019 1:52 pm PDT Comments KSTU / Scottsdale Police via KSTU: SCOTTSDALE, Ariz. (KSTU/CNN) -- A Valley woman is facing first-degree murder charges after she admitted to murdering her mother Monday afternoon. According to Sgt. Ben Hoster, dispatchers received a call around 2 p.m. from someone at an apartment complex near 64th Street and Osborn Road saying their neighbor asked them to call 911. Scottsdale police say Holly Brennan, 46, later told the dispatcher that she had killed her mother, Sharon Simmons. Officers responded and found Simmons deceased in a bed. “Responding officers then went inside the apartment and located an elderly female deceased on the bed,” Sgt. Hoster said. Police say Brennan and Simmons live together and have a history of domestic violence. Brennan was taken into custody and questioned by detectives, Hoster said. MORE: Police: Arizona woman admits to suffocating 79-year-old mother with pillow - KSTU #Arizona #CNN #KNXV #KSTU #Murder #Phoenix #Scottsdale Waiting for your permission to load facebook comments.