KENNEWICK, Wash.-- Police are investigating after responding to reports of several gunshots fired early this morning. They say around 5am Sunday Kennewick Police went to the area of North Jefferson Street and West Quinault Avenue in Kennewick. Officers found several .22 caliber shell casings in front of a home at 1207 North Jefferson Street. It appeared a car and the home had been hit. Police spoke with the neighbors who were having a Halloween party and said they knew nothing of the shooting. The victims are 23-year-old Casey Lusk, 23-year-old Jeffrey Murray, 22-year-old Juan Arroyo, and 23-year-old Michael Charwood. No one was injured.