TONIGHT: #ABC2020 shares a rare look at one of the most prolific serial killers in history - and how citizen sleuths helped track his identity. https://abcn.ws/3e3E3vD | ABC 20/20
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A 79-year-old man has been labelled the most prolific serial killer in U.S. history, after he admitted to more than 90 murders. www.7NEWS.com.au #7NEWS | 7NEWS Brisbane
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Rodney Alcala may be one of the most prolific serial killers in history. Watch new episodes of People Magazine Investigates: Surviving A Serial Killer Sundays at 9/8c on ID or stream on Max. People | Investigation Discovery
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