20-20 on Jan. 8 featured Rodney James Alcala, known as "The Dating Game Killer," on a recent show and started with the story of his killing a Texas woman in 1977.
Alcala was known as "The Dating Game Killer" because he appeared as a contestant of the popular television show in 1978, was charged and convicted of murdering two women in New York crimes in 2012 and given a lengthy prison sentence before being returned to California where he is on death row for murders committed in that state.
He also murdered San Antonio resident Christine Ruth Thornton, 27, and disposed her body in a remote area northeast of Granger, a small community northwest of Green River.