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When widow Valena Shepherd is found dead at home, police suspect foul play. Investigators follow digital clues that suggest Valena knew her killer and hope the data contained within a digital heart monitor device pinpoints the perpetrator.
First Air Date : Mar 14, 2022
Last Air date : Nov 01, 2023
Episode : 14 Episode
Season : 2 Season
Runtime: 43:14 minutes
Studio: Investigation Discovery
Country: United States of America
Cast:
Crew:
