Underground Secrets of the Person of Interest Set (PHOTOS)

Mike Flaherty

Team Machine went underground in Season 4. Person of Interest production designer Rick Butler reveals the secrets of Finch’s subway-station lair.

When POI producers decided Finch (Michael Emerson) would have to abandon his beloved library/control room following the battle with supercomputer Samaritan, they tasked the show’s production designer, Rick Butler, with the creation of a new hideout for Season 4. Butler and his team hit the books—and New York’s famed Transit Museum—for inspiration. “In New York City, there’s as much going on underground as aboveground,” he says.

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