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Will Derek Morgan Lead The Team Closer To Mr. Scratch On The Season Finale Of Criminal Minds?

Morgan returns to the BAU with information that could lead to Mr. Scratch's demise—and hopefully set Spencer free.
Posted on May 8, 2017 | 06:10pm

In "Red Light," the Season 12 finale of Criminal Minds, a very familiar—and beloved—face returns to help the team. With new information about Mr. Scratch that could finally lead to the deranged killer's demise, Derek Morgan may be the key to Dr. Spencer Reid's vindication and freedom. 

What information does Morgan have? How will the BAU catch the ever-elusive Mr. Scratch? Find out on the season finale of Criminal Minds, "Red Light."

Stream episodes of Criminal Minds on CBS All Access.