"It’s not magic — it’s science."

That was the final point put forth by the Suffolk County District Attorney's Office on Friday in its legal brief to persuade a judge that novel genetic testing and analysis techniques should be admissible in the murder trial against accused Gilgo Beach serial killer Rex A. Heuermann.

Prosecutors have said they linked rootless hair samples found on six of the victims to the Massapequa Park man and his family using a method that has never been presented in a New York court.

Michael J. Brown, a defense attorney for Heuermann, derided the technique as "magic" and argued it should be excluded from the evidence presented to the jury at trial.

WHAT NEWSDAY FOUND

Prosecutors argued that a cutting-edge technique used to tie accused Gilgo Beach serial killer

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