10 Most Prolific U.S. Serial Killers

Fill in the name of the serial killer.
Information taken from Wikipedia. Only includes U.S. serial killers of the 20th and 21st centuries. Only includes confirmed victim counts.
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Utopia3101
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Last updated: December 20, 2025
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First submittedDecember 20, 2025
Times taken24
Average score20.0%
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Captured in 2012; 60 victims
Samual Little
Green River Killer; 49 victims
Gary Ridgway
The OG Angel of Death; 37 victims
Donald Harvey
The Killer Clown; 33 victims
John Wayne Gacy
Candyman; responsible for the Houston Mass Murders; 29 victims
Dean Corll
Killer Nurse; 29 victims
Charles Cullen
Buried victims in peach orchards in CA; 25 victims
Juan Corona
The Bayou Strangler; 23 victims
Ronald Dominique
Arrested when a victim escaped; was imprisoned with Ted Bundy in FL; 23 victims
Gerald Stano
The Gorilla Killer; 22 victims
Earle Nelson
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