101 Park Avenue as Empty Office
Shaw, Reese, and Hersh watch the beginning of the trail broadcast and then fight off several Decima agents.
“Deus Ex Machina” Filming Locations
Harold and the other are put on trial by Vigilance while the rest of the team searches for them during the blackout.
Person of Interest episode “Deus Ex Machina” was filmed in New York in the United States of America.
Emigrant Industrial Savings Bank Building as Old Post Office (interior)
Peter Collier and Vigilance put various people involved with Northern Lights on trial during a kangaroo court.
Source: Person of Interest — Wikia
East 43rd Street (between Lexington & 3rd) as Kidnapping Peter Collier [2010]
Vigilance kidnaps Collier and takes him to their storage facility for initiation.
Cliff Street as 5th Avenue & 23rd Street
Reese and Hersh are heading down the darkened streets when Fusco arrives in a police humvee.
87 Commercial Street as Vigilance Storage Unit (exterior) [2012]
The exterior of the building where Peter Collier's Vigilance team operates from.
Tweed Courthouse as Old Post Office (exterior)
Decima blows up the building where Vigilance was holding it trial.
48th Avenue (between 5th & Vernon) as Driving back to the City
Shaw drives Root back to the city while she talks to Finch.
New York School of Applied Design for Women as Finch's Library
Finch and Reese leave the library while the police raid.
East 42nd Street & Vanderbilt Avenue as Killing Jefferson
The police chase down the Vigilance operative named Jefferson and shoot her in the street.
Centre Street (between Chambers & Frankfort) as Finch & Reese Separate
Reese and Finch part ways with their new identities after Samaritan is activated.
Source: Person of Interest — Wikia
Cooper Square as Root & Shaw Separate
Shaw and Root walk away with their new identities to hide from Samaritan.
Printing House Square as Reese Leaves
Samaritan watches Reese heading onto the Brooklyn bridge and reclassifies him as irrelevant.
Source: Person of Interest — Wikia