Smiley Faces: Another Serial Killer Signature?

Binding, torturing and killing victims is how serial killer Dennis Rader methodically murdered 10 people near Wichita, Kan., during a 20-year killing spree that garnered him the nickname "BTK strangler." Like Rader, who began his work in the 1970s, several infamous serial killers have taken ritualistic approaches, either by leaving signature characteristics or repeating their steps in the killings. Albert Desalvo, the 1960s "Boston Strangler," was convicted of strangling 13 women and then...Full Story
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