Gilgo Beach trial: Accused serial killer returns to court for DNA hearing
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Gilgo Beach trial: Accused serial killer returns to court for DNA hearing

DNA testing was the focus again in the case against accused Gilgo Beach serial killer Rex Heuermann. An expert took the stand to answer questions on the accuracy and reliability of the results the defense team is challenging, and a judge will decide if it can be used as evidence. NBC New York’s Pei-Sze Cheng reports.

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