An expert for the accused Long Island serial killer questioned the DNA evidence — but Suffolk County prosecutors said it’s the expert who is unreliable and faulty.

Rex Heuermann told his defense attorney she did a "good job" during a hearing on DNA evidence on Tuesday. The comment came after defense attorney Danielle Coysh finished her direct questioning of Nathaniel Adams,

The Gilgo Beach serial killer case is explored in Peacock's three-part documentary The Gilgo Beach Killer: House of Secrets, now streaming.