In the first half of this two-part episode, former FBI agent and criminal profiler Candice DeLong explores the case of Richard Loeb and Nathan Leopold, two young men who murdered 14-year-old Bobby Franks. 19-year-old Nathan and 18-year-old Richard sought to commit what they called "the perfect murder." Candice dives deep into the psyches of the two men who perpetrated one of the most sensational crimes of the 20th century.

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