Crime laboratory officers search the home of Gilgo Beach killings suspect Rex Heuermann in Massapequa Park, New York, on July 18, 2023.
Mandatory Credit:	Yuki Iwamura/AFP/Getty Images via CNN Newsource

Crime laboratory officers search the home of Gilgo Beach killings suspect Rex Heuermann in Massapequa Park, New York, on July 18, 2023.
Mandatory Credit: Yuki Iwamura/AFP/Getty Images via CNN Newsource

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A new DNA testing method could play a big role in the case against the accused Gilgo Beach killer

At the heart of the case against the man accused of the Gilgo Beach killings is DNA evidence — but the novel way that evidence was tested may now determine whether prosecutors can use it against their prime suspect, Long Island architect and family man Rex Heuermann.