"The Yuba County Five were a group of young men from Yuba City, California, with mild intellectual disabilities or psychiatric conditions, who attended a college basketball game at California State University, Chico, on the night of February 24, 1978. Four of them—Bill Sterling, 29; Jack Huett, 24; Ted Weiher, 32; and Jack Madruga, 30—were later found dead; the fifth, Gary Mathias, 25, has never been found."