"It's hard to be a serial killer and have remorse. I mean, you could cry yourself to death thinking about what you've done."

Dr Richard Rappaport is a clinical psychologist based in California who has profiled and testified for numerous murder cases, including as an expert witness in John Wayne Gacy's trial.

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Making a Monster: The Tapes features interviews recorded by Monster Films for the Crime+Investigation TV series, and was hosted by Cherry Healey, produced by Sam Pearson and Chloe Frost, with editing by Joel Porter.

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