Person of Interest Person of Interest

All season the Person of Interest team has had to hide from Samaritan using false identities.

But in Tuesday's episode, the new person Root (Amy Acker) employs is sure to raise some eyebrows. In the exclusive sneak peek below, Finch (Michael Emerson) meets with Root in the park to discuss a problem with "Samaritan's un-democratically elected choice for governor." When he does, he discovers that Root is currently working as a nanny!

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"I wonder how the parents would feel if they knew how many people I've killed," Root asks. We were thinking the same thing!However, Root doesn't totally hate being "French Mary Poppins Barbie" To find out why — and to see how Finch wants to handle the problem with the governor — click play below.

Person of Interest airs Tuesdays at 10/9c on CBS.(Full disclosure: TVGuide.com is owned by CBS.)