Fmr. FBI profiler: Suspected Gilgo Beach serial killer taunted victim’s family, ‘more victims’ likely

Chilling details surrounding suspected Gilgo Beach serial killer Rex Heuermann are emerging, including allegations that he repeatedly called one of his victim’s families over the two months following her disappearance.

Heuermann, 59, was arrested on Thursday and charged with three counts of first and second-degree murder related to three of the four victims known as the “Gilgo Four” — Melissa Barthelemy, Amber Costello, and Megan Waterman. He is also the prime suspect in the death of Maureen Brainard-Barnes, and, according to one former FBI profiler, officials likely believe “more victims” have yet to be discovered.

The women’s bodies were found wrapped in burlap in 2010 and their deaths remained a mystery until DNA from a discarded pizza crust pegged Heuermann for the crimes. The suspect has pleaded guilty and insists, “I didn’t do this.”

Former FBI profiler Mary Ellen O’Toole told Fox News Digital that investigators are “probably operating off of the theory that there likely are more victims out there.”

“So now they’re going back and they’re looking at cases that have been described as unsolved over the years and moving outside of New York State and New York as well,” she explained, adding that it’s “not likely” that Heuermann waited until he was in his late-30s to “act out.”

“It’s more likely these serial sexual killers start to act out if they’re going to, they start to act out in their early to mid-twenties,” O’Toole said. “So they’re going to go back in time and they’re going to timeline him. They’ll go back to when he was in college and go back beyond.”

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Heuermann, an architect, lived with his wife and two children on Long Island.

According to his bail application, he allegedly placed at least five calls to Melissa Barthelemy’s family within two months of her disappearance.

Barthelemy,24, was believed to have been working as a sex worker when she was last seen in New York City on July 10, 2009.

On July 17, July 23, August 5, August 19, and August 26, 2009, Heuermann allegedly called the Barthelemys and confessed to them that he sexually assaulted and killed her.

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Melissa Barthelemy

At least one of the calls was placed to Melissa’s then-16-year-old sister, Amanda Barthelemy.

“Is this Melissa’s little sister?” a man asked.

“Yes,” she replied.

“Do you know what your sister is doing?” the man said. “She’s a whore.”

O’Toole told Fox News Digital that Heuerman probably placed the call because “he wanted to hear the fear and the horror in the sister’s voice.”

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“I think he found that to be sexually arousing,” O’Toole said. “Part of what we’re seeing here is someone that wasn’t trying to ease her pain, not trying to apologize, not trying to explain away his behavior, he wanted to hear the fear, the anxiety, the horror, the heartache in her voice.”

Melissa Fine

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