Authorities are investigating a triple shooting in the Bronx that left a woman and two men dead. Officers responding to a call about three people shot in a home on Southern Boulevard shortly after 8 p.m. Wednesday encountered the trio. They say a 57-year-old woman had been shot in the head, a 57-year-old man had been shot multiple times throughout his body and a 34-year-old man had been shot in the head.