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,

Asa Ellerup, the ex-wife of suspected Long Island serial killer Rex Heuermann, is speaking out in a new docuseries.