Robert Daniel "Bobby Dan" Corriveau (December 1, 1947 - November 18, 1968) was a man who was found on the side of the highway in 1968. He was identified in 2012.
On November 18, 1968, a Pennsylvania State Trooper on turnpike patrol noticed a man in a seated position alongside the highway a mile east of the Downingtown interchange. The trooper went to check on the man to find that he was deceased. He had been stabbed once, piercing his heart.
On May 31, 2012, the man was positively identified as Robert Daniel "Bobby Dan" Corriveau, an active duty marine who served in the Vietnam War. Corriveau was being treated in the Philadelphia Naval Hospital undergoing psychiatric evaluation and monitoring when he disappeared. After his disappearance, Corriveau was considered to be a deserter and later classified as AWOL by the Marines, and then later a deserter after being missing for 30 days.
On October 12, 2012, Corriveau was given a burial with full military honors.