Alan Pietruszewski

Prentiss is ready to confront her nemesis, Ian Doyle, once and for all. Meanwhile, the BAU calls upon JJ to help them find Prentiss and capture Doyle before it's too late.

Jane notices a suspicious-looking man carrying a gun at a political rally and sets out to prove he's a psychopath on the brink of committing murder. Meanwhile, Lisbon investigates the death of a photographer at the same rally. Michael Rady (Melrose Place) guest stars as the CBI's new head, Luther Wainwright.

The lives of two CSIs are put in danger when Horatio's old enemy, Clavo Cruz, returns on part one of a two-part episode. When a truck full of confiscated weapons is hijacked and the weapons are released back into the public, Horatio links the crime to Clavo, a man he put away for murder years ago. But on the day of Clavo's arraignment, a confiscated missile is launched into the courthouse to aid his escape, with Alexx inside. As the team tries to find Clavo and put him away for good, another member of Horatio's team is fatally shot. (TV_PG)

As the CSIs investigate the assassination of a judge, Jo comes face-to-face with a criminal from her past. (TV-14)

A trip to L.A. reaffirms Melanie, Joy and Victoria's experience that it is a shallow, youth-obsessed city, and Elka pitches Mario Lopez on shooting "Extra" in Cleveland.