Home / Series / Person of Interest / Aired Order / Season 4 / Episode 9
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The Devil You Know

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.

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  • Originally Aired November 25, 2014
  • Runtime 43 minutes
  • Content Rating Germany 12+ United States of America TV-14
  • Production Code 3J5409
  • Network CBS
  • On Other Sites EIDR IMDB TV Maze
  • Created September 29, 2020 by
    Administrator admin
  • Modified April 14, 2023 by
    Qumis
Name Type Role
Erik Mountain Writer
John Nolan Guest Star
Winston Duke Guest Star
Enrico Colantoni Guest Star
David Valcin Guest Star
Cara Buono Guest Star
Richard J. Lewis Director