Person of Interest "Relevance" season 2 episode 16 airs Thursday Feb 21 2013 (9pm ET/PT) on the CBS Television Network.
Episode Synopsis: A lethal and sexy government operative who tracks and stops terrorist threats before they occur finds herself on the run – and the new focus of Reese and Finch’s attention. However, their pursuit proves to be their most formidable when they discover that her remarkable skillset equals their own, on PERSON OF INTEREST, Thursday, Feb. 21 (9:00 – 10:00 PM, ET/PT) on the CBS Television Network. Series Executive Producer Jonathan Nolan directed the episode. Sarah Shahi guest stars as government operative Sam Shaw.