How Rex Heuermann Hid a Double Life: FBI & Psych Experts Reveal the Dark Psychology Behind 7 Murders | 2025 True Crime

About this episode

Experts analyze the psychological mechanisms behind Rex Heuermann's double life and the dynamics of his relationships.

How does a man live under the same roof as his wife and children while allegedly carrying out seven brutal murders over nearly three decades? In this powerful two-part breakdown, we bring together two of the nation’s leading experts on human behavior—former FBI Special Agent Robin Dreeke and psychotherapist Shavaun Scott—to explain how Rex Heuermann may have maintained one of the most disturbing double lives in modern true crime. Robin Dreeke opens the episode with a deep dive into the psychology of compartmentalization, truth-default theory, and why spouses detect lies only about 50% of the time. He explains how Heuermann allegedly created a split existence: family man in Massapequa Park, predator operating in secrecy when his wife and children were out of town. Burner phones, controlled finances, rigid routines—each played into the illusion of normalcy. Dreeke draws critical parallels to notorious cases like BTK, revealing the subtle relationship red flags that can be missed even by those closest to the perpetrator. Then psychotherapist Shavaun Scott joins to analyze the chilling emotional dynamic captured in the Peacock documentary. Asa Ellerup’s unwavering loyalty—even…

People in this episode

Host: True Crime Today

Guests: Robin Dreeke, Shavaun Scott

Topics covered

• psychology of killers
• double life
• compartmentalization
• trauma bonding
• coercive control
• true crime analysis

Keywords

• Rex Heuermann
• double life
• FBI
• psychology
• true crime
• trauma bonding
• compartmentalization
• coercive control
• Asa Ellerup

Mentioned in this episode

Organizations: FBI, Peacock

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