COLUMBIA (WACH)A grandfather and grandson are dead tonight in Graniteville SC. According to witnesses the grandfather 67 year old Ronald W. Wilson went to the residence of his estranged wife and shot his 16 year old grandson, Gerald Wilson, his estranged spouse and the live in girlfriend of Wilson were able to escape the residence without injury. The grandmother stopped an off duty police officer for assistance who then witnessed Mr. Wilson take his own life. Mr. Wilson had just been released from jail for a previous criminal domestic violence issue within the past 72 hours. Autopsy to be scheduled in Newberry SC. This investigation is ongoing.