WHEN THE BAU LOOKS INTO THE DISAPPEARANCES OF DEA AGENTS, AN UNDERGROUND INTERNET DRUG SYNDICATE BECOMES THE INVESTIGATION'S FOCUS, ON "CRIMINAL MINDS," WEDNESDAY, DEC. 2

"Internal Affairs" - After two undercover DEA agents are murdered and a third goes missing, the BAU joins the NSA to investigate whether an underground Internet drug syndicate is involved. Also, Hotch hopes the team's work with the NSA brings them closer to finding the "Dirty Dozen" hitmen ring, on CRIMINAL MINDS, Wednesday, Dec. 2 (9:00-10:00 PM, ET/PT) on the CBS Television Network.

REGULAR CAST:

Joe Mantegna (David Rossi)
Thomas Gibson (Aaron Hotchner)
Shemar Moore (Derek Morgan)
Matthew Gray Gubler (Dr. Spencer Reid)
Kirsten Vangsness (Penelope Garcia)
A.J. Cook (Jennifer "JJ" Jareau)

RECURRING CAST:

Aisha Tyler (Dr. Tara Lewis)

GUEST CAST:

Andrew Borba (Tony Axelrod)
Richie Stephens (Jacob Dufour)
Tom Everett (Brian Cochran)
Rick Ravanello (Bernard Graff)
Jorge-Luis Pallo (Agent Matt Lopez)
Elizabeth Grullon (Agent Adrienne Mitchell)
Shalaina Castle (Sarah Miles)
Erin Cardillo (Jillian Carter)
Travis Myers (Bartender)
Lyn Mahler (M.E. Talia Rice)
Orson Chaplin (John Portman)
Eugene Young (Simon Kahn)
Thomas Bell (Security Guard)

WRITTEN BY: Sharon Lee Watson

DIRECTED BY: Diana Valentine