In this special full-length edition of Hidden Killers, Tony Brueski is joined by Robin Dreeke—retired FBI Special Agent and former chief of the Counterintelligence Behavioral Analysis Program—for a masterclass in psychological profiling, emotional survival, and the terrifying ease with which evil can thrive inside a family home.

Together, they dissect the marriage between Asa Ellerup and accused Gilgo Beach serial killer Rex Heuermann. Through footage from Peacock’s documentary, The Gilgo Beach Killer: Secrets of a Serial Killer, Robin examines Asa’s emotional patterns, her lack of curiosity, and what her devotion may reveal about how Rex was able to live a double life for decades without raising alarm.

From their earliest days together—when Rex “saved” Asa from a difficult divorce—to the secret gun vault in the basement she never questioned, every detail is unpacked through the lens of behavioral science. Why did Asa never ask what her husband did during those long weekends alone? Why did she trust him so completely, even when DNA evidence tied her family to the victims?

We also explore the conflicted voice of Victoria Heuermann, their daughter, who is caught between love and revulsion. Like Kerri Rawson, daughter of BTK, Victoria must now reconcile the man who built her a dollhouse with the man now accused of horrific crimes.

Robin Dreeke breaks down how manipulation, grooming, denial, and emotional projection form the perfect storm for long-term concealment—and how that storm unraveled in one Long Island household.

This isn’t just about a killer. It’s about the people who lived with him. And what they may have known—or refused to see.

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