Before the days of careful vetting and extensive background checks, Rodney Alcala appeared on
The Dating Game in the middle of his killing spree in the late ’70s. While Alcala became known as the
Dating Game killer, his involvement in the reality TV show was but a brief moment in his deadly history. Investigators believe that he killed at least eight people and some suspect that he murdered more than 100 others. In a recent special,
20/20 took on Alcala’s terrifying story, which has often been compared to Ted Bundy’s. Ahead, we’ve pulled together what you need to know about the