Rex Heuermann is charged with the murders of seven women killed over the course of nearly two decades starting in the 1990s.

Lawyers on both sides of the case of suspected Gilgo Beach serial killer Rex Heuermann continued to spar over the admissibility of DNA evidence ahead of trial.

DNA is at the core of the prosecution’s case. But defense attorneys claim the science, called nuclear DNA, has never been used in New York.

A form of DNA testing is the subject of debate in court for the Gilgo Beach murder case. The defense calls it magic while the prosecution say its science. It's a form of testing never used in the New York Court System before.

The hearing was focused on the use of DNA evidence and whether there would be one trial or separate trials. One of the victims was from Scarborough.

Now there are more delays in the Gilgo Beach serial killer case on Long Island. The suspect, Rex Heuermann was back in court on Tuesday, but there are several issues that the prosecution and the defense are still trying to work out.

More than two years after a quadruple homicide devastated Moscow, Idaho, a judge unsealed the transcript of a recent hearing in the case against Bryan Kohberger – the man accused of stabbing four students to death in an off-campus home.