This is a photo from "Mors Praematura." It is the sixth episode of Person of Interest Season 3.
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Root and Shaw must work together on Person of Interesst. "Mors Praematura" is the sixth episode of the show's third season.
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Person of Interest Season 3 Episode 6 Quotes

Energy and persistence conquer all things -- Benjamin Franklin.

Collier

Ms. Shaw may be violent and uncommunicative, but she is never tardy.

Finch