A Pike County man is facing charges after state police say he killed his parents at their Dingman Township home. 32-year-old Colin Winkler was arrested Tuesday. Troopers arrived to find Winkler on the rear deck covered in blood. Inside, they discovered bloody knives and the bodies of his parents, Jacqueline and Jeffrey Winkler, in the kitchen. Winkler has been charged with two counts of criminal homicide and two counts of aggravated assault. He is being held without bail.