Victim

Sandra Costilla

1 case·8 media appearances

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Sandra Costilla was a 28-year-old sex worker from Queens, New York whose partial remains were found along Ocean Parkway near Gilgo Beach in November 1993 — predating the 2010 discoveries by nearly two decades. Her case remains separate from the 'Gilgo Four' victims, though investigators have examined whether she was also a victim of Rex Heuermann. Costilla's identification took years because of the fragmentary nature of her remains.

Sources: Wikipedia: Gilgo Beach serial killings

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Media appearances

The family matriarch’s defense. A landmark decision in the Gilgo Beach murders case. And a mom hits the road seeking justice.

Dateline NBC · Sep 4, 2025 · 28m

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AUDIO EXTRA: Gilgo Discussion

Crime Junkie · Nov 1, 2024

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48 Hours: The Gilgo Beach Serial Killings: Rex Heuermann

48 Hours · Jun 18, 2024 · 45h 32m

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48 Hours: The Gilgo Beach Serial Killings

48 Hours · Sep 21, 2023 · 48h 6m

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CAPTURED: Gilgo Beach Killer

Crime Junkie · Jul 31, 2023 · 48m

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48 Hours: Investigation of the Gilgo Beach Murders

48 Hours · Jul 14, 2023 · 48h 52m

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48 Hours: The Hunt for the Long Island Serial Killer

48 Hours · Dec 13, 2020 · 45h 50m

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SERIAL KILLER: L.I.S.K.

Crime Junkie · Jul 1, 2019 · 52m

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