Dennis Rader

Biography

Dennis Lynn Rader, better known by his pseudonym BTK, is an American serial killer and mass murderer who killed at least ten people in Wichita and Park City, Kansas, between 1974 and 1991. Although he occasionally killed or attempted to kill men and children, Rader typically targeted women. His victims were often attacked in their homes and then bound, sometimes with objects from their homes, and either suffocated with a plastic bag or manually strangled with a ligature.

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