Rex Heuermann, a 62-year-old former architect, has confessed to the murders of eight women, according to revelations from his ex-wife, Asa Ellerup. In a recent interview ahead of the final episode of the docuseries, “The Gilgo Beach Killer: House of Secrets,” Ellerup recounted Heuermann’s admission that seven of these murders occurred in their home in Massapequa Park, New York.
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During the interview, Ellerup described Heuermann as appearing anxious when he spoke with her about the crimes. “He looked nervous, very nervous,” she stated. She confronted him directly, asking how many women he had killed. Heuermann’s reply was chilling: “He said he killed eight women — eight.” According to Ellerup, he told her that all but one of the women were murdered in his room downstairs while she was not at home.
Despite the weight of his confessions, Ellerup revealed that she attempted to create emotional distance during the conversation. She noted that when she asked if Heuermann felt like a stranger, she could still sense traces of the husband she once knew. “No, when he started talking it started feeling like the Rex I know. I didn’t want to see that one,” she said, reflecting on the complexity of their relationship.

Heuermann entered a guilty plea to multiple murder charges earlier this year, admitting responsibility for the deaths of women whose remains were found along a stretch of Ocean Parkway in Long Island between 1993 and 2011. The women, who have been identified collectively as the “Gilgo Four,” went missing between 2007 and 2010 and were linked to Heuermann through evidence including burner phones and DNA from hairs discovered on the victims.
Initially, the case remained unsolved for many years, with authorities making significant progress only after Heuermann’s arrest in July 2023. His guilty plea in April 2024 indicated his involvement in the deaths of Melissa Barthelemy, Megan Waterman, Maureen Brainard-Barnes, Amber Costello, Jessica Taylor, Valerie Mack, Sandra Costilla, and Karen Vergata.

The investigation has revealed chilling aspects of Heuermann’s behaviour. Authorities uncovered evidence that he had searched online for news articles concerning a task force created to investigate the murders as recently as 2022. It was also discovered that he used an online account to repeatedly view images of the victims and their families, raising further questions about his motives and state of mind.
The remains of the identified victims were found in various locations, including partial remains of Valerie Mack located inside a black plastic bag in 2000, while Jessica Taylor’s partial remains were recovered three years later. Additionally, the prospect of justice in these long-cold cases is now a reality, with Heuermann’s confessions confirming authorities’ suspicions.
The upcoming episode of “The Gilgo Beach Killer: House of Secrets,” which is set to air on April 23, will delve deeper into the details surrounding Heuermann’s crimes and his relationship with Ellerup, offering viewers insights into one of the most infamous serial killer cases in recent history.
As the case now progresses through the judicial process, it will serve as a stark reminder of the lasting impact of such heinous acts on families and communities. The echoes of Rex Heuermann’s deeds resonate far beyond the confines of courtrooms, influencing discussions around safety, justice, and the dark realities of criminal behaviour in society.
