Overview of William Sisco, Jr.
On June 12, 1994, William Marshall Sisco Jr. was in the area of Happy Valley, Arizona with friends panning for gold. Later that night (6/12/1994), William got into a verbal argument with the two friends he was panning gold with, he wanted to leave and his friends did not, and he left on foot; he has not been seen since that time. (Information retrieved from NamUs.gov)