A forensic scientist testified in a Riverhead courtroom Wednesday that the scientific methods used to link DNA from degraded hair samples found with the remains of several Gilgo Beach homicide victims to alleged serial killer Rex A. Heuermann are "effective," have been peer reviewed and generally accepted in the scientific community.

An expert in population genetics praised the techniques used to obtain nuclear DNA testing in the Gilgo Beach serial killer case on March 28 as defense attorneys tried to discredit her.

The legal battle over whether a new type of DNA evidence​ against accused Gilgo Beach serial killer Rex Heuermann​ will be thrown out continued on Wednesday.