The Gilgo Beach Killer: How Long Island's Rex Heuermann Was Caught — and Sentenced to Life

“Get him out of here”

On the morning of June 17, 2026, in a Suffolk County courtroom in Riverhead, the case that haunted Long Island for a generation ended in eleven blunt words. Having heard from the families of the dead, State Supreme Court Justice Timothy Mazzei turned to Rex Heuermann and did not hide his contempt.

“I assume you are a little bit sorry for the eight women you strangled,” the judge said. “Eight that we know of. You’ve been described as a big man, but you are a disgusting and small man, if you’re a man at all, and you’re a coward.” Then, to the officers: “Get him out of here.”

The sentence was already fixed by the plea: three consecutive life terms, plus 100 years, with no possibility of parole. When it was read, the gallery — packed with relatives who had waited as long as three decades — broke into applause and cheers.

Two months earlier, in April 2026, the 62-year-old architect had finally done what he spent nearly three years refusing to do: he pleaded guilty. The man Long Island had hunted as the “Long Island Serial Killer” — the phantom of Ocean Parkway — turned out to be a married father who lived in a tired colonial on First Avenue in Massapequa Park and commuted into Manhattan to run his own architecture firm. This is the full account: who he killed, how he hid, and the thirteen-year failure and breakthrough that finally caught him.

Gothamist — Rex Heuermann, of Massapequa Park, sentenced to life without parole in the Gilgo Beach serial killings (June 17, 2026)

The families, in their own words

For most of the relatives, the sentencing was the first time they could speak directly to the man who took their daughters, mothers and sisters. What they said is the heart of this story, and it deserves to be recorded.

Amanda Funderburg, sister of Melissa Barthelemy, was 15 when the killer used Melissa’s own phone to call and taunt her after the murder. Facing him, she called him “a demon, inside and out,” and said simply: “I hope you suffer.”

Liliana Waterman, daughter of Megan Waterman, was a toddler when her mother vanished. “I never knew what it was like to have a mother,” she told the court. “In an instant, my world shattered.”

Nicolette Brainard-Barnes was seven when her mother Maureen disappeared: “I was only 7 years old, and the next three years she was missing.” Maureen’s sister, Melissa “Missy” Cann, who spent years forcing the case to stay alive, told him: “Rex, without you knowing it, I became your worst nightmare. You are a coward who preyed on vulnerable, innocent women.”

Jasmine Robinson, a cousin of Jessica Taylor, said, “I can’t even put into words the eviscerating hatred I have for you,” and “a million years isn’t enough.” Another Taylor cousin, Violet Swager, told him: “You chose small women because you’re nothing more than a weak, disgusting coward.”

JoAnn Mack, mother of Valerie Mack, said “what you have done to our family is beyond what words can express.” Valerie’s adoptive father, Ed Mack, refused him the satisfaction: “Mr. Heuermann, you have done horrendous things to Valerie’s earthly body, but you have not touched the real Valerie.” Kimberly Overstreet, Amber Costello’s sister, called him “a raging, murdering sex addict,” and Megan Waterman’s aunt Elizabeth Meserve — noting Megan was a single mother from Maine — called him a “cowardly opportunist.”

Suffolk County District Attorney Raymond Tierney put it plainly: “Eight young women were needlessly and brutally murdered at the hand of this defendant. This defendant only cares about himself and his sick interests.”

Heuermann himself said almost nothing. “There are no words I can say,” he told the court. “The words I would say have no meaning, and I’m going to leave it there.” Asked if he was at all sorry, he answered: “Yes I am.” His ex-wife, Asa Ellerup, and his two adult children did not attend; through their attorney they said they stayed away out of respect for the victims’ families.

The eight he admitted

Heuermann’s plea covered seven women, spanning seventeen years; he admitted to an eighth. Most were young, most were sex workers who advertised online, and most were targeted precisely because they could be lured to a private meeting and because, at the time, their disappearances were not treated as urgent. We name them because they were people:

• Sandra Costilla — 1993. The earliest killing Heuermann admitted, predating the others by years.
• Valerie Mack — 2000. Her torso was found in the Manorville Pine Barrens; further remains surfaced years later along Ocean Parkway.
• Jessica Taylor — 2003. Found in Manorville, with additional remains later recovered near Gilgo.
• Maureen Brainard-Barnes — 2007. An escort last seen in Manhattan; one of the four found in late 2010.
• Melissa Barthelemy — 2009. After she vanished, her killer used her phone to make a series of cruel calls to her teenage sister.
• Megan Waterman — 2010. A single mother from Maine, last seen near a Hauppauge hotel off the Long Island Expressway.
• Amber Lynn Costello — 2010. Lured from her West Babylon home by a client who insisted she leave her phone behind.

He also admitted killing Karen Vergata in 2007 — for years known only as “Fire Island Jane Doe,” after her legs were found in 1996 and her skull near Tobay Beach in 2011, until genetic genealogy restored her name.

Four of these women — Barthelemy, Brainard-Barnes, Waterman and Costello — became known as the “Gilgo Four,” discovered within days of one another in December 2010, each wrapped in burlap within a few hundred feet of the Ocean Parkway shoulder.

Why this is a Long Island roads story

Strip the case to its mechanics and it is about one stretch of pavement. Ocean Parkway, running the length of Jones Beach Island past Gilgo Beach, is one of the few roads on Long Island that is genuinely empty after dark — no homes, no businesses, no cross-traffic, just dune, bramble, the bay and the Atlantic. At night it is, as investigators described it, like a tunnel: you can see every set of headlights coming and going, which means you always know when you are alone.

That is the whole method. The killer chose the Ocean Parkway corridor for the same reason a body could lie in its bramble for years — because almost no one has a reason to stop there at 3 a.m. The second dump site, the Manorville Pine Barrens, told investigators the same thing: remains left down a power-line access road off Halsey Manor Road, a place known only to hunters and locals. Whoever did this knew Long Island’s empty places intimately. He was, the evidence said again and again, a local.

Small packages: how the killer tried to erase them

What The Bad Place — the documentary that retraced these dump sites mile by mile — makes plain, and what the evidence bears out, is that this was never only about killing. It was about making the victims disappear as people. For most of them, the body was deliberately divided and scattered across the two zones, miles apart.

Two of the earliest show the method. Valerie Mack was found in November 2000, when pheasant hunters came upon a decapitated body in a Manorville thicket; her skull, her hands and her right foot would not surface until April 2011 — more than forty miles west, in the Ocean Parkway bramble near Gilgo. Jessica Taylor’s torso was discovered in Manorville in July 2003 missing its head, both hands and part of a forearm; her skull and hands turned up at Gilgo in 2011. The pattern is unmistakable: the parts that identify a person — the face, and the fingertips — were removed and dumped somewhere else entirely.

The reason is chillingly practical. A head can yield a facial reconstruction or dental records; hands yield fingerprints — and several of these women had prior arrests, meaning prints on file that could give them their names back. So the killer took the heads and the hands. When a tattoo could betray an identity, he attacked that too, slicing Jessica Taylor’s lower-back tattoo — a winged heart reading “Remy’s Angel” — into ribbons so it could not be read.

By the later victims the method had a cold efficiency the documentary frames as “small packages”: small women, wrapped in burlap. Burlap is camouflage in the dune scrub, but it also holds moisture and speeds decomposition — so that anything eventually found would be skeletal, stripped of fingerprints, tattoos and easy DNA.

And yet the erasure failed at the smallest detail. The Suffolk County medical examiner’s office painstakingly reconstructed Jessica Taylor’s slashed tattoo and released a photograph of it. A detective who had once arrested Taylor in Washington, D.C. recognized the design — and months after her torso was found, she had her name back. The same investigative patience, turned two decades later on a discarded pizza crust, would finally name the man who did it.

The catalyst: Shannon Gilbert

The case that cracked Long Island open did not begin as a murder case. In the early hours of May 1, 2010, Shannon Gilbert, a 24-year-old escort, fled a client’s house in the gated Oak Beach community, made a frantic 23-minute 911 call insisting people were trying to kill her, banged on neighbors’ doors screaming for help, and disappeared into the marsh.

It was the search for Gilbert, more than a year and a half later, that changed everything: in December 2010 a Suffolk County officer and his cadaver dog working the Ocean Parkway scrub found the first burlap-wrapped remains — and then three more within days. Gilbert’s own body was recovered in December 2011, about a quarter mile from where she was last seen. The medical examiner ruled her death an accidental drowning — a finding her family disputes to this day. Heuermann was never charged in her death. The woman whose terror exposed a serial killer’s dumping ground was, officially, not one of his victims. It is the bleakest irony in a case full of them.

A blueprint in the basement

What separated this case, in the end, was that the killer wrote things down. Prosecutors say that among the dozens of hard drives investigators pulled from Heuermann’s Massapequa Park basement was a deleted Microsoft Word document that functioned as a planning document for murder — a “blueprint,” in their words.

According to court filings, it was organized like a project plan: a section for supplies (cutting implements, something to mask hair and fibers, tarps, cat litter), a section for targets, a section for dump sites — including the Manorville area — and a section on body preparation and disposal. It even contained notes on lessons learned and problems to avoid, the cold self-editing of a man treating murder as a recurring job to be optimized. Prosecutors argued it explained the case’s defining trait: the methodical effort, across seventeen years, to keep the victims from ever being identified.

How he was caught — the forensic chain

For all the years it took, the break combined an old tip with new science.

When the 2022 task force re-examined the files, it resurfaced a detail that had been sitting there since shortly after the Gilgo Four were found: Amber Costello’s roommate had described the client who took her — a hulking man and a first-generation Chevrolet Avalanche. Run against vehicle registrations, that truck pointed to Massapequa Park. Surveillance followed.

Then came the DNA. Investigators recovered a pizza crust Heuermann discarded and developed a profile that matched a male hair found on the burlap binding Megan Waterman. Separately, prosecutors say hairs found on or near three of the victims were genetically tied to Heuermann’s wife, Asa Ellerup — by comparison against samples lifted from bottles in the family’s trash. Because Ellerup was documented to have been out of state during the murders, that did not implicate her; it placed the victims inside the Heuermann household, where her hair would naturally shed. Cell-site data and burner phones — one per victim, registered to fictitious people and destroyed after each killing — mapped the same pattern the taunting calls had: Midtown Manhattan by day, Penn Station, then the South Shore at night. The phantom had left a trail the whole time; it took a competent task force to follow it.

The thirteen-year hunt — a timeline

The crimes (1993–2010)

• 1993: Sandra Costilla is killed — the earliest murder Heuermann would admit to.
• April 1996: Two human legs in a bag are found on Fire Island — remains later identified, via genetic genealogy, as Karen Vergata.
• November 2000: Pheasant hunters find Valerie Mack’s decapitated remains in the Manorville Pine Barrens.
• July 2003: Jessica Taylor’s dismembered torso is discovered in Manorville.
• 2007: Maureen Brainard-Barnes and Karen Vergata are killed.
• 2009–2010: Melissa Barthelemy (2009), then Megan Waterman, Amber Lynn Costello and Shannon Gilbert (2010) vanish — most after arranging meetings online.

The discovery (2010–2011)

• December 2010: During the search for Shannon Gilbert, police find the “Gilgo Four” wrapped in burlap off Ocean Parkway. The Long Island Serial Killer enters the public consciousness.
• Spring 2011: An expanded Ocean Parkway search recovers roughly ten more sets of remains — including the skulls, hands and other parts of Valerie Mack and Jessica Taylor (scattered there from their Manorville torsos) and Vergata’s skull near Tobay Beach. The medical examiner reconstructs Jessica Taylor’s slashed “Remy’s Angel” tattoo; a D.C. detective recognizes it, and she is identified months after her torso was found.
• December 2011: Shannon Gilbert’s body is found; her death is later ruled an accidental drowning.

The cold years and the break (2011–2023)

• 2011–2021: The investigation stalls amid Suffolk County police leadership scandals — a national symbol of how the murders of marginalized women get deprioritized.
• Early 2022: A reconstituted inter-agency task force resurfaces the Chevrolet Avalanche tip and traces it to Massapequa Park. Surveillance begins; the pizza-crust DNA is obtained.
• July 13, 2023: Heuermann is arrested and charged in the murders of Barthelemy, Waterman and Costello.

The reckoning (2024–2026)

• January 2024: Charged in the murder of Maureen Brainard-Barnes.
• June 2024: Charged in the murders of Sandra Costilla and Jessica Taylor.
• December 2024: An indictment is unsealed charging him in the murder of Valerie Mack.
• April 2026: After years of pleading not guilty, Heuermann pleads guilty to seven murders and admits an eighth, Karen Vergata.
• June 17, 2026: Sentenced to three consecutive life terms plus 100 years — no parole.

What is still unfinished

The eight names are almost certainly not the whole story — Justice Mazzei’s “eight that we know of” was deliberate. Investigators have said the true number of victims may never be known. The Ocean Parkway corridor and surrounding sites yielded other remains over the years — among them an unidentified person found in women’s clothing, and the victim long known as “Peaches,” whose remains and those of a young child were recovered years apart and pieced toward identification through genetic genealogy. Not all are part of Heuermann’s plea, and some remain formally unsolved.

As part of his plea, Heuermann agreed to cooperate with the FBI’s Behavioral Analysis Unit — to be studied, in effect, so the next one might be caught faster than he was. Whether that yields anything for the families still waiting is, for now, unanswered.

The Long Island that has to live with it

The Gilgo Beach killer was not an outsider who came to prey on the Island. He was of it — raised here, housed here, hidden here, using the same parkways and rail lines as everyone else, exploiting the very emptiness of places like Ocean Parkway that most Long Islanders never think twice about. He coached a normal life over a quarter-century of murder, in a house on a quiet block, behind a commuter’s routine.

And he was caught, in the end, not by a profiler’s flash of genius but by a task force finally treating long-ignored victims — and a long-ignored witness tip — as if they mattered. They always did. The verdict closes a case; it does not close the wound. As Ed Mack told the man who dismembered his daughter: you have not touched the real Valerie.

If you have information about unsolved Long Island homicides, the Suffolk County Police Department tip line is 1-800-220-TIPS. Reporting compiled by the Long Island Traffic editorial team from the June 17, 2026 sentencing and reporting by the Associated Press, CBS New York, PBS NewsHour, ABC7, CNN, Gothamist, Court TV and News 12 Long Island. Courtroom quotations are as reported by those outlets. The documentary “The Bad Place: The Hunt For The Long Island Serial Killer” informed the geographic reconstruction of the dump sites; its speculative and dramatized passages are not treated here as established fact, and contested matters — including the manner of Shannon Gilbert’s death — are presented per the official record.