{Princeton, West Virginia}...An investigation is underway in Mercer County after a murder-suicide took place Saturday afternoon. Mercer County Sheriff's Deputies say 21 year old John Paul Moore shot and killed his father 51 year old Clarence Moore II and then turned the gun on himself. The incident took place at a townhouse just outside of Princeton. Both were killed with a 9 mm semi-automatic pistol. Investigators say there was no history of problems between the two, but John Moore did leave behind a note. The bodies were sent to the state Medical Examiner's office in Charleston.