James Shanklin

Susan’s longtime book agent and dear friend, Lonny Moon (guest star Wallace Shawn), gets into financial trouble; Lynette is forced to go out to bars night after night with her man-hungry boss, Nina (guest star Joely Fisher); Bree re-buries Rex amid police suspicions, and Gaby hires hotshot lawyer David Bradley (guest star Adrian Pasdar) to defend Carlos.

The death of a lieutenant forces the team to reopen the case when the blogger who accused them of a cover up ends up dead.

The BAU is shocked when Hotch is apprehended by a SWAT team and suspected of conspiracy, and as the team scrambles to prove his innocence, they suspect a larger plot is on the horizon.

When Alex's brother shows up at the hospital with a hernia, Alex must get Bailey's approval for pro-bono surgery; parts of Alex's past are revealed to his friends and colleagues.

When people start mysteriously dying in Los Angeles, Don and his FBI team are called in by the Public Health Service to determine if it is an act of bio-terrorism. Applying Charlie's knowledge of the mathematics of diseases, they track the virus not only to stop it, but also to find its point of origin. Once they determine who is responsible and why, they are surprised by the suspect’s motive. Meanwhile, Don is surprised to learn that Charlie has been keeping a secret from him. CCH Pounder guest stars.