Rex Heuermann and Amber Costello: The Truck That Broke Gilgo Open

He got scammed on the first visit. Came back the next night. And the roommate who saw the truck — a first-generation Chevrolet Avalanche — gave investigators the description that eventually led to Rex Heuermann's front door. Amber Costello was 27, living in West Babylon, battling addiction, working as an escort. On September 2, 2010, she walked out of her house to meet a man whose burner phone had texted her the night before: "That was not nice, so do I get credit for next time." She was never seen again.

Episode 7 of "The Seven" — the final installment. Amber's case is the thread that unraveled the entire Gilgo Beach investigation. The witness. The vehicle description. The text message. The cell tower data tracking the burner from Massapequa Park to West Babylon. When the task force re-examined old evidence in 2022, they ran the Avalanche through registration records. Heuermann's name came back.

Amber's sister Kimberly said after the arrest that she forgives Heuermann — and that Amber would have, too. The evidence trail, Amber's life, and how the last known victim became the case that broke everything open — all covered here.

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This publication contains commentary and opinion based on publicly available information. All individuals are presumed innocent until proven guilty in a court of law. Nothing published here should be taken as a statement of fact, health or legal advice.

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