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Person of Interest S4E9 poster

Watch Person of Interest – Season 4 Episode 9: The Devil You Know

Person of Interest • Season 4, Episode 9 • 44 min • 2011 • ⭐ 8.1/10 • Action & Adventure , Crime , Drama , Sci-Fi & Fantasy

Cast: Amy Acker , Michael Emerson , Sarah Shahi , Jim Caviezel , Kevin Chapman

Directors: Jonathan Nolan

Watch Person of Interest – S4E9

Episode Overview

Reese must save Elias from the Brotherhood. He can't get any help from Root or Shaw since Shaw's cover is blown and Root is escorting her to underground.

Episode Navigation

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