Rex Heuermann and the Gilgo Beach Murders
Rex Heuermann is a Long Island architect from Massapequa Park, New York, who became one of the central figures in the long-running Gilgo Beach murder investigation. He was arrested in July 2023 after a renewed multi-agency investigation linked him to a series of killings that stretched from 1993 to 2010. On April 8, 2026, Heuermann pleaded guilty to seven murders and admitted responsibility for an eighth death, bringing a major legal turning point to one of the most notorious serial murder cases in modern New York history.
Who Heuermann Was Accused of Being
For years, the Gilgo Beach case frightened Long Island because the victims were found in scattered locations near Ocean Parkway, Gilgo Beach, Fire Island, Manorville, and other parts of Suffolk County. Prosecutors said Heuermann targeted vulnerable women, many of whom worked as sex workers, and used careful planning to hide his crimes. Investigators built the case through cellphone records, burner phone patterns, witness information, vehicle evidence, and DNA analysis, including discarded food items recovered during surveillance. Authorities said the pattern that emerged was one of repeated stalking, calculated contact, murder, and disposal of bodies in remote areas.
The Nature of the Crimes
According to prosecutors, Heuermann murdered women over a span of nearly two decades. Several victims were strangled, and some were dismembered after death. The locations where remains were found helped investigators connect killings that had once seemed separate. In some cases, body parts were discovered years apart, which added to the confusion and delayed identification. The crimes became especially infamous after multiple sets of remains were found along the South Shore of Long Island beginning in late 2010 and 2011, turning the Gilgo Beach investigation into a national story.
Victims Linked to Heuermann
- Sandra Costilla — murdered in November 1993. Her body was found in North Sea, Suffolk County, New York. She became the earliest known victim tied to Heuermann in the charged case.
- Karen Vergata — killed in 1996. Her remains were discovered in stages, including on Fire Island in 1996 and near Ocean Parkway in 2011. Heuermann admitted causing her death as part of his 2026 plea.
- Valerie Mack — murdered in 2000. Mack, a 24-year-old woman from Philadelphia, was last seen in New Jersey. Some of her remains were found in Manorville, New York in 2000, and additional remains were found near Ocean Parkway in 2011.
- Jessica Taylor — murdered in 2003. Her remains were also found in separate locations, including Manorville and later near Ocean Parkway, reflecting the same disturbing pattern seen in other cases.
- Maureen Brainard-Barnes — disappeared in July 2007. Her remains were found near Gilgo Beach along Ocean Parkway in December 2010. She was one of the women later known as part of the “Gilgo Four.”
- Melissa Barthelemy — disappeared in July 2009. Her remains were found near Gilgo Beach in December 2010. Her case drew major attention during the investigation into the Gilgo killings.
- Megan Waterman — disappeared in June 2010. Her remains were found near Gilgo Beach in December 2010. She was also among the “Gilgo Four.”
- Amber Costello — disappeared in September 2010. Her remains were found near Gilgo Beach in December 2010. Witness accounts involving a green Chevrolet Avalanche became an important part of the later case against Heuermann.
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