RIVERHEAD, N.Y. -- Suspected Gilgo Beach serial killer Rex Heuermann is scheduled to return to court Wednesday on Long Island. The 61-year-old is charged with the murders of seven women dating back to the 1990s .

The office argues nuclear DNA science is "generally accepted" within the scientific community and "based upon technology that has been implemented for decades."

Judge Timothy Mazzei will also hear from both sides to determine how much of the prosecution’s mountain of evidence will be admissible.