Washington man charged with murder, sexual assault of sister 06/11/2020 11:22 am PDT Comments Kitsap County via KCPQ: SEABECK, Wash. (KCPQ) -- Detectives arrested a Washington man on Tuesday for the sexual assault and murder of his 61-year-old sister. Kitsap County Sheriff's deputies responded to a call at a home in Central Kitsap after the woman was found unconscious and unresponsive on Sunday night. She was pronounced dead at the scene. A Tuesday autopsy determined the woman died due to strangulation and asphyxiation from drowning by homicide, according to the county's forensic pathologist. Sheriff's detectives served a search warrant at the location and reportedly found evidence indicating sexual assault. The victim's brother, Michael Andrew Battersby, 51, was arrested and charged with first-degree murder and second-degree rape. A booking photo was not immediately released. MORE: Seabeck man arrested in death of sibling - Kitsap County Sheriff's Office Kitsap County man charged with rape, murder of his sister - Seattle Times Kitsap County man charged with murder, sexual assault of sister - KCPQ #KCPQ #Murder #Rape #Seattle #SexualAssault #Washington Related Stories 17-year-old girl found in duffel bag, brother arrested: Police Woman kept sister in man-made wooden cage, prosecutor alleges ICE deportation officer arrested on sodomy, incest charges Man accused of raping woman in forest, suspected of assaulting girl Memphis man faces rape and incest charges Kansas man convicted of raping adoptive daughter he impregnated Waiting for your permission to load facebook comments.