Stephanie Birkitt, 34, is the woman with whom David Letterman had a consensual illicit relationship with for some time. The relationship ended in 2003 after Letterman's son was born. Birkitt was an assistant to Letterman on the "Late Show" and frequently appeared on camera with the host in comedy bits. Birkitt is now in hiding after her boyfriend, long-time CBS News producer Robert "Joe" Halderman, tried to extort $2 million from Letterman and got arrested. He was threatening to come out with the story about Letterman's past with Birkitt using a copy of Birkitt's diary where details of her relationship with Letterman are clearly written.
