Person of Interest shined an inquisitive spotlight on The Machine this week. Was is its origin? Can it be trusted? Read through our rundown of "Ghosts" NOW.

Glancing ahead to next Thursday, though, James Caviezel's Reese will be the center of shady attention once again, as he first infiltrates a gang of thieves to in order to put an end to a crime ring. But look for Detective Carter to take a big step closer to Reese's identity on "Mission Creep."

Get your first look at the episode now: