45: What People Really Want to Know About Serial Killers | Case Notes

45: What People Really Want to Know About Serial Killers | Case Notes

August 23, 2026 · 16 min · Episode 45

About this episode

This episode explores common misconceptions about serial killers with forensic psychologist Dr. Joni Johnston.

What do people really want to know about serial killers? Are serial killers born or made? What actually defines a serial killer? And are female serial killers different from their male counterparts? In this episode of UNMARKED: Case Notes , I sit down with forensic psychologist Dr. Joni Johnston to tackle some of the most frequently asked—and most misunderstood—questions about serial killers. From the psychology behind repeated murder to the differences between male and female offenders, we separate popular mythology from what the research actually tells us. Read Dr. Johnston’s book: Serial Killers—101 Questions True Crime Fans Ask

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Host: UNMARKED: A True Crime Podcast

Guest: Dr. Joni Johnston

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Books & works: Serial Killers—101 Questions True Crime Fans Ask

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