Ernest Waddell

When a corrections officer is arrested for assaulting female inmates, Barba and the SVU find themselves the target of the union that supports him.

Bunk and Freamon chase their crime scene, a container ship, to Philly, where none of the crew finds it useful to speak English. Lt Cedric Daniels - disgusted with his exile to the evidence control unit - lets it be known he's going to leave the department.

Omar continues his bold strikes on Barksdale stash houses. As the wire on east Baltimore's Proposition Joe continues to yield little, a restless McNulty launches his own reinvestigation of D'Angelo Barksdale's prison suicide.

Stringer breaks a fundamental rule of the game, prompting Omar to vow to end the feud once and for all. Meanwhile, Prez makes a fatal mistake.

Frustrated in his grass-roots reform efforts, Colvin arms himself with intelligence from Daniels' detail and personally delivers a message to the management.

While Avon and Stringer disagree on how to handle Marlo, Cutty considers his future after facing the realities of gangster life.