CBS has unveiled a batch of first look stills from the next episode, 'A Badge and a Gun,' of Criminal Minds.

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In the stills it is revealed that FBI Agent Natalie Colfax (Marisol Nichols) will be brought back to help with the case. Nichols previously guest starred as Colfax in 'The Witness' in season 11 of Criminal Minds.

The synopsis and preview for the episode have also been revealed.

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According to synopsis the BAU will deal with a criminal who is actually invited into the victims' homes. In the preview clip Jennifer Jareau (A.J. Cook) is seen revealing that the perpetrator "needs his victims to allow him into their homes." In the next frame it is revealed that the UnSub masquerades as the FBI by flashing a badge to get into his victims' homes. Eventually JJ makes her most chilling assessment, asking if he could actually be one of them.

Here's the official synopsis:

"The BAU searches Los Angeles after the team discovers security footage that shows an UnSub being invited into victims' homes."

The episode will air on CBS on February 24.

Watch the preview:

Tags: Criminal Minds CBS television