Toe on the Trigger | Blood is Thicker: The Hargan Family Killings | Part 5

Detectives finally arrest a suspect in the Hargan family murders. But at trial, defense attorneys present a new theory for how the killings might have happened. According to one scenario based on a forensic specialist's digitally reconstructed crime scene, Helen could have reached the rifle trigger with her toe. And that theory might cast enough doubt to throw the entire case into question.

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