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It never occurred to Shirley Gaskins that the father she adored could be one of the most prolific serial killers in America, but the more people vanished without explanation, the harder it was to deny.
First Air Date : Jan 17, 2016
Last Air date : Apr 21, 2024
Episode : 138 Episode
Season : 15 Season
Runtime: 43:14 minutes
Studio: Investigation Discovery
Country: United States of America
Cast:
Crew:
