"Red Light" -- Caught in an impossible scenario, Reid must square off with an old nemesis, and Derek Morgan (guest star Shemar Moore) comes to the team with a lead that might help catch Mr. Scratch, the elusive fugitive that has been tormenting the team all season, on the 12th season finale of CRIMINAL MINDS, Wednesday, May 10 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Jane Lynch returns as Diana Reid, the mother of Dr. Reid. Pictured: Joe Mantegna (David Rossi), Adam Rodriguez (Luke Alvez), Aisha Tyler (Dr. Tara Lewis) Photo: Sonja Flemming/CBS ÃÂ©2017 CBS Broadcasting, Inc. All Rights Reserved | Episode 12.22 - Red Light (Season Finale) | Promotional Episode Photos | Season 12 | criminal-minds | Gallery

SpoilerTV Image Archive | Gallery | criminal-minds | Season 12 | Promotional Episode Photos | Episode 12.22 - Red Light (Season Finale) | "Red Light" -- Caught in an impossible scenario, Reid must square off with an old nemesis, and Derek Morgan (guest star Shemar Moore) comes to the team with a lead that might help catch Mr. Scratch, the elusive fugitive that has been tormenting the team all season, on the 12th season finale of CRIMINAL MINDS, Wednesday, May 10 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Jane Lynch returns as Diana Reid, the mother of Dr. Reid. Pictured: Joe Mantegna (David Rossi), Adam Rodriguez (Luke Alvez), Aisha Tyler (Dr. Tara Lewis) Photo: Sonja Flemming/CBS ÃÂ©2017 CBS Broadcasting, Inc. All Rights Reserved

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