TIETON, Wash-- A Saturday night shooting in Tieton leaves a 28-year-old woman dead. It happened on the 900 block of Tieton Ave. Yakima County Sheriff's Deputies arrived to find the woman dead inside a home from a gun shot wound. According to YSO, the victim's 31-year-old boyfriend said she shot herself. The boyfriend was arrested on warrants unrelated to the shooting. A neighbor says he recently heard the victim and her boyfriend arguing loudly. YSO detectives are investigating the circumstances surrounding the shooting.