What causes someone to become a serial killer? It’s a malignant combination of factors, experts say
By Alaa Elassar, CNN (CNN) — For decades, criminologists and true crime documentaries have attempted to understand what causes serial killers to commit the atrocities they do. Dennis Rader, John Wayne Gacy, Jeffrey Dahmer, Albert DeSalvo and Ted Bundy are just a few of more than 3,600 serial killers documented in the United States as
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