Rob Roy Fitzgerald

After another failed attempt to defeat Red John, Patrick Jane hits rock bottom in a Las Vegas club on the fourth season finale. While the CBI investigates the murder of a John Doe on its own, Jane finds a new lover (guest star Emmanuelle Chriqui) and ends up shooting one of his own.

Grissom's nemesis, serial killer Paul Millander, reappears and claims a third victim in this gripping episode.

Drew meets a woman at the Warsaw who recommends he attend her dating advice service. He agrees only to be publicly embarrassed when the instructor shows a videotape of Drew's date as 'a teaching aid'. Drew is the laughingstock of the class despite the fact that most of them are career losers who are still virgins. Drew seeks the help of the Better Business Bureau to shut down the advice center but ends up needing class advice when he scores a date with a Bureau employee.