Rex Heuermann Part 1: THE MASK — The Alleged Gilgo Beach Killer's Psychology

Part 1 of 5: How did Rex Heuermann—the man prosecutors call LISK—allegedly hide in plain sight for thirty years?

This is the beginning of our comprehensive series examining the case against Rex Heuermann, the Manhattan architect charged with the Gilgo Beach murders. Seven victims between 1993 and 2010. Remains discovered along Ocean Parkway starting in December 2010. He's pleaded not guilty to all charges. His trial is set for September 2026.

In this episode, we examine the psychology of compartmentalization—the phenomenon that allegedly allowed the Long Island Serial Killer to live as a family man while prosecutors say he was hunting victims whenever his wife and children were out of town.

His ex-wife Asa Ellerup still calls him her "hero." In the Peacock documentary, she said: "I know what bad men are capable of doing. Not my husband. You have the wrong man."

Their daughter Victoria has reached a different conclusion. According to documentary producers, she now believes her father is "most likely the Gilgo Beach serial killer."

Forensic psychologist Scott Bonn explains that killers like BTK and the Green River Killer had "the ability to flip a switch and go from family man to sadistic killer." Former FBI agent Robin Dreeke suggests predators often select partners for traits that make them less likely to investigate red flags.

According to Suffolk County prosecutors, every murder the alleged Gilgo Beach Killer is charged with occurred during windows when his family was traveling. Wife in Iceland, Maryland, New Jersey, Virginia—each absence allegedly corresponded with a victim's disappearance.

Same house. Same twenty-seven years. Two completely different conclusions about who LISK really is.

The mask, if prosecutors are right, didn't slip for three decades.

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