Casper was a gunnery sergeant in the United States Marine Corps in 1995. He was last seen dropping his child off at school during the morning hours of May 19, 1995, in Norfolk, Virginia. Casper was expected at work at 9:00 a. m. but never arrived. He never returned home and has not been seen again. Casper's 1986 Ford van was discovered abandoned in Norfolk, VA on May 30, 1995, 11 days after he disappeared.