“The Longest Night” — Morgan (Shemar Moore, left), JJ (A.J. Cook, center) and Reid (Matthew Gray Gubler, right) are on the trail of the serial killer that continues to terrorize Los Angeles in the conclusion of last seasonâs cliffhanger, on the sixth season premiere of CRIMINAL MINDS, Wednesday, Sept. 22 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Photo: Ron P. Jaffe/CBS ©2010 CBS Broadcasting, Inc. All Rights Reserved.