Internal affairs tries to find the mole on the team; Red takes off on a mission to find who betrayed him; a serial killer from Liz's past strikes again.
Aired: January 13, 2014
Season 1, Episode 11
January 13, 2014
Brandon Margolis, Brandon Sonnier
Alan Alda, Frank Whaley, Hisham Tawfiq, Amir Arison, Charles Baker, Shirley Roeca, Victor Slezak, Kate Nowlin, Deborah S. Craig, Dominik Tiefenthaler, Frank Pando, Neal Matarazzo, Eisa Davis, Graham Winton, Jane Alexander