Uh Oh! There's a Mole in the FBI on Tonight's Blindspot (VIDEO)

Gregory E. Miller
Blindspot, Sullivan Stapleton Exclusive
Giovanni Rufino/NBC)

Somebody call Anderson Cooper—there's a mole in the FBI's New York office.

On tonight's Blindspot, the team learns that there's a leak from within. In this exclusive clip, Mayfair (Marianne Jean-Baptiste) informs Weller (Sullivan Stapleton) of the situation, letting him know he needs to "handle it"alone. He'd better do it quick because Inspector Fischer (John Hodgman) is itching for a crack down.

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Blindspot airs Monday at 10/9c on NBC.