BLUE BLOODS第 6 季，第 4 集
With Friends Like These
Erin's attempt to convict a slippery mob boss for an old murder is muddled when her former informant, Vincent (Dan Hedaya), leaves witness protection to provide his old boss with an alibi. Also, Frank finds himself in a departmental war with Commissioner of the New York City Fire Department, Stan Rourke (Dan Lauria).
