This popular show follows a group of FBI agents as they go inside the minds of vicious murderers. Tony Award winner Joe Mantegna stars as David Rossi, an original founder of the Behavioral Analysis Unit who returned to action as a profiler in the series third season. In addition to Mantegna, CRIMINAL MINDS stars Thomas Gibson as the group's leader. Solving mysteries by delving into the psychology of serial killers and terrorists, each of the group's members are able to offer special insight into specific cases: Derek Morgan (Shemar Moore) helps to solve crimes of obsession; Penelope Garcia (Kirsten Vangsness) employs her computer skills to gather clues; and Spencer Reid (Matthew Gray Gubler) uses his considerable intelligence to crack cases, despite his substandard social skills. Offering insight into both real and fictional crimes, this show is an essential for drama devotees. This collection presents the complete fourth season.