 David left Pine Valley in the fall of 2006 after making a video exposing many of his enemies' secrets and leaving it for interested parties to see.Several Pine Valley residents, including Tad Martin and his son Jamie, consider the possibility that David is the serial killer who murdered Simone Torres and Erin Lavery, and attempted to murder Danielle Frye.The killer, also known as "The Satin Slayer", is later revealed to be Alexander Cambias, Sr.

David returns to Pine Valley in the fall of 2008.