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Nurse Charles Cullen is one of America's most prolific serial killers. Police say he may have murdered up to 400 victims, Cullen claimed he acted mercifully. An in-depth look into the case reveals the truth behind his motives.
First Air Date : Aug 06, 2004
Last Air date : May 12, 2024
Episode : 646 Episode
Season : 33 Season
Runtime: 43:14 minutes
Studio: Oxygen
Country: United States of America
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Crew:
