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

Blindspot, Sullivan Stapleton
Giovanni Rufino/NBC)
BLINDSPOT -- "Cease Forcing Enemy" Episode 111 -- Pictured: Sullivan Stapleton as Kurt Weller -- (Photo by: 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.

RELATED: How Ashley Johnson Steals the Scenes on Blindspot

Blindspot airs Monday at 10/9c on NBC.