Season 4, Episode 21 A Shade of Gray
First Aired: April 22, 2009
A serial killer preying on children is in custody, but the case takes a twist when it's discovered that one of the murders may have been committed by someone else.
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- Premiered: September 22, 2005
- Rating: TV-14
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- Premise: A procedural thriller about the FBI's Behavioral Analysis Unit, which profiles criminals to solve crimes. The ensemble drama relies on the diversity of the team, which includes a young genius and a seasoned leader tortured by a past case. Unlike other crim… (more)