The Dating Game Killer l 20/20 l PART 1

A missing woman's cold case and a killer's appearance on 'The Dating Game': Part 1 Christine Thornton, described by her sister as a free spirit, went missing in the summer of 1977. Clues about her disappearance wouldn’t be uncovered until 40 years later. Watch full episode here: #ABCNews #ABC2020 #Documentary #DatingGameKiller #TrueCrime

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