Before he was a convicted serial killer, Rodney Alcala was a winning bachelor on "The Dating Game."He was selected for the show despite being a convicted child rapist in the 60's. Way to background check ABC.
Within months of his "Dating Game" appearance, Alcala would become a killer, prosecutors said, abducting and a 12-year-old girl in 1979. Before the decade was over, Alcala would claim four more victims, according to testimony at his trial.
Read the link above for the whole story. Yi-ikes.