Warning: This episode contains graphic, accurate descriptions of unclean actions, and may not be appropriate for all listeners.

In 1981 and 1982, an horrific series of murders and mutilation gripped Chicago. Ultimately, investigators found four men guilty of the crimes: Edward Spreitzer, brothers Andrew and Thomas Kokoraleis, and the alleged ringleader, Robin Gecht. However, as Ben, Matt and Dylan discover in tonight's episode, three of the criminals seemed unable to explain what, exactly, led to their depraved acts. Gecht, they argued, had supernatural powers of compulsion.

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