Here are official spoilers for Person of Interest episode 12 "Legacy" airing on January 19.

DETECTIVE CARTER COMES FACE-TO-FACE WITH REESE AND HAS TO DECIDE ONCE AND FOR ALL WHICH SIDE SHE’S ON

• When Carter finally comes face-to-face with Reese, he urges her to join forces to help with their latest POI, a scrappy young woman from the wrong side of the tracks who turned her life around and became a lawyer.