The "Sam Cam" is backstage with the champions of "Dancing with the Stars."

Check out this exclusive Criminal Minds Season Finale Preview

Go behind the scenes with Joe Mantegna and the cast of Criminal Minds as they talk about the Season 3 finale

What makes someone a serial killer? Would you be able to spot them? The FBI Profilers of 'Criminal Minds' can - catch all the action Wednesdays on CBS!

Professor Rothchild admits to killing seven women and challenges Rossi and Reid to save the others