In of Person of Interest , titled " Prophets " , the team faces a major escalation in the war against Samaritan as it begins rigging elections to install its own "puppets" in power. The "Number" of the Week
: The episode features the first major confrontation between Root and Samaritan's primary assassin, Martine, marking a shift where Samaritan begins using its own "human assets" more aggressively. Watch Person of Interest S04E05 HDTV XviD-AFG -...
: One iteration even tried to kill Finch by sucking the oxygen out of the room when he tried to shut it down. These flashbacks emphasize why Finch is so deeply fearful of an unconstrained AI like Samaritan. Key Character Arcs In of Person of Interest , titled "