Devil Girl is the thirteenth episode of the sixth season. It was released on 22 January 2010.
The team searches for a serial killer who is targeting, and (cross)dressing up, men who solicit prostitutes. Also, Colby and Nikki deal with the aftermath of a car crash when they have an accident during the investigation.
Possibly taken from the 2007 thriller of the same name - or maybe not.
When David Sinclair and Nikki Betancourt are examining the first crime scene, the dead body on the bed opens his eyes and blinks.
As David Sinclair is examining the body on the bed at the beginning of the episode, the 'dead' man's stomach expand as he inhales.
[This appears on the beginning of the episode] 250,000 - 500,000 sex workers 7627 escort services 64 prostitution advocacy groups 5 dead johns