Multiple web search results confirm that Rex Heuermann confessed to strangling victims and dumping remains along Long Island beaches, dating the crimes to the 1993-2010 period. One source specifically mentions the initial strangling in his vehicle.

Web search results confirm the general timeframe (1993 to 2010) and the nature of the crimes (strangling sex workers, dumping bodies). While the specific detail of a 'meticulous four-day killing system' and the source 'The Gilgo Beach Killer: House of Secrets' is not independently corroborated by the provided search snippets, the core elements—the duration, the method, and the victim type—are strongly supported by multiple sources.

Multiple web search results place the guilty plea around April 8th and confirm the admission of killing eight women over a 17-year span on Long Island. Note: One source mentions the date as April 8, 2026, while others imply a past date, but the core facts (plea, 8 women, 17 years, Long Island) are corroborated.

Two separate web search results directly quote or paraphrase sources stating that Heuermann admitted to dismembering the bodies in the family basement.

Web search results mention charges and arrests in 2023/2024 related to the cold case killings, confirming the timing of the charges and the role of forensic evidence (DNA).

Multiple web search results list and confirm the names of the victims he pleaded guilty to killing, including the 'Gilgo Four' members (Costello, Waterman, Barthelemy, Brainard-Barnes) and others mentioned in the claim (Mack, Taylor, Costilla).

Multiple web search results confirm that Heuermann pleaded guilty to killing Karen Vergata, and that this murder was a later addition to the charges.

Web search results confirm that Sandra Costilla and Jessica Taylor were among the first victims, and one source specifically mentions the timeline relative to his marriage to Asa Ellerup.