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Unresolved: A True Crime & Mystery Podcast

The Long Island Serial Killer (Update: April 2026)

Unresolved: A True Crime & Mystery Podcast

Unresolved Productions

History, True Crime, Society & Culture

4.52.7K Ratings

🗓️ 11 April 2026

⏱️ 18 minutes

🧾️ Download transcript

Summary

There has been an update in the story of the Long Island Serial Killer (episodes #14-16 from 2016). On April 8th, 2026, 62-year-old Rex Heuermann pleaded guilty to the murders of Melissa Barthelemy, Maureen Brainard-Barnes, Sandra Costilla, Amber Costello, Jessica Taylor, and Megan Waterman. He also admitted to an eight murder that he hadn't yet been charged with: 34-year-old Karen Vergata, who had been known as "Fire Island Jane Doe" for years...



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Transcript

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0:00.0

Hey everyone, it's Michael.

0:03.0

I'm back with another update in the story of the Long Island serial killer, a story that I've

0:08.0

been covering off and on since 2016.

0:11.0

If you haven't been keeping up with the updates I've released over the years, here's the short version.

0:16.0

In July of 2003, a 59-year-old architect named Rex Heurman, a man who lived in Massapequa Park,

0:23.1

New York, roughly 20 miles from Gilgo Beach, was arrested and charged with three murders.

0:29.3

Those were the murders of Melissa Bartholome, Megan Waterman, and Amber Costello, three of the

0:34.7

four women known collectively as the Gilgo Four, whose bodies were reportedly

0:39.4

found in burlap sacks along the Ocean Parkway in December of 2010.

0:44.3

In my update from July 2023, I walked through the evidence that police had compiled

0:49.2

against Hureman.

0:50.9

This included his Chevrolet avalanche being matched to a witness description,

0:55.0

Burner phones belonging to him pinging in Massapequal Park, and DNA found at the crime scenes.

1:01.0

In my opinion, the case was overwhelming.

1:04.0

Then in July of 2004, he was charged with the murder of the fourth woman of the Gilgill Four,

1:10.0

Maureen Brainerd Barnes,

1:11.9

who had disappeared in 2007, two years before the others.

1:16.4

Then, in June of 2024, he was charged with two more murders, those of Jessica Taylor and

1:22.2

Sandra Costilla, which extended the known timeline of his crimes all the way back to 1993. I covered that in detail in one of my last updates, including the planning document recovered from his computer.

1:33.3

A deleted word file titled HK 2002-04, which laid out his crimes in the language of a project manager.

1:41.3

It listed potential dump sites, supply list, target profiles,

1:46.2

body preparation procedures. It was, without question, one of the most disturbing pieces

...

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