AS THE BAU HEADS SOUTH TO INVESTIGATE AN UNSUB WITH A STYLE SIMILAR TO A PAST SERIAL KILLER, THEY ALSO LEARN ANOTHER UNSUB IS REPLICATING THE TEAM'S OLD CASES, ON "CRIMINAL MINDS," WEDNESDAY, DEC. 12

"Perennials" - The BAU heads south to investigate a fast-moving UnSub whose signature matches that of a serial killer from 30 years ago. Also, the team learns that someone is tracking their cases and replicating crimes the BAU is solving, on CRIMINAL MINDS, Wednesday, Dec. 12 (9:00-10:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

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

GUEST CAST:

Bill Tangradi (Willie Kestler)
Kim Robillard (Sheriff Mitchell)
Erika Godwin (Floressa)
Sarah Benoit (Doris)
Stephan Duvall (Otis)
Scott Vance (Dr. Frank Chapman)
Danielle Hoetmer (Brianna Wells)
Bethany Orr (Stephanie Carson)
Jon Rudnitsky (Kyle Owens)
Kristen O'Meara (Jane Sissler)
Jarid Root (Aidan)
Kevin Ryan (Cop)
Patrick Holder (Russell Smith)
John McCool Bowers (Bill Kestler)
Rebecca Flinn (Beverly Kestler)
Chad Anthony Miller (Hospital Clerk)
Merrick McCartha (Anesthesiologist)
Steven Connor (Doctor)
Annzella Victoria (Nurse)

WRITTEN BY: Bruce Zimmerman

DIRECTED BY: Michael Lange

RATING: To Be Announced