(Silver Lake, WA) -- An investigation is ongoing after a man was killed in a shooting at an RV park in Silver Lake last week. Cowlitz County Sheriff's deputies responded to the shooting at Streeter's Resort last Wednesday morning. They found the 56-year-old victim who died at the scene. The suspect went inside of a motor home. SWAT responded and when the door to the motor home was breached, the 86-year-old male suspect was found dead from an apparent self-inflicted gunshot wound. The investigation into the shooting is ongoing.