My Father Was a Mass Murderer People Magazine Investigates : Season 8 Episode 10
TV-14 Investigation Discovery 45m
Aired: December 23rd, 2024 @ 9:00 PM EST on Investigation Discovery
Retired drama teacher Kathy Gillcrist embarks on a journey to find her biological parents. Her worst fears come to fruition when she discovers police want her father for one of the most infamous mass murders in Maryland state history.
