A N.Y. judge Wednesday said prosecutors in the Gilgo Beach murders can use evidence from a new DNA technology. Rex Heuermann is accused of killing seven women.

The decision is an important win for prosecutors and a blow for the defense team that challenged the validity of this type of technology that specializes in extracting nuclear DNA from damaged or

Prosecutors can use critical DNA evidence against suspected Gilgo Beach serial killer Rex Heuermann that hasn't been used in New York courts.