Michael Potts

An unarmed black man is shot while police are pursuing a suspect, and Barba is forced to indict the officers involved.

An investigation into the sexual exploitation of Catholic school girls results in unexpected charges against judges, DAs, members of the police department and legislators.

The Detail make a desperate move; Omar's suspicions are validated; Sobotka is forced to make a difficult choice.

The detail uses satellite technology to its advantage; Bodie is unhappy that Proposition Joe's people sling on his turf, but business flows.

The Detail has a setback. McNulty and Greggs return to the west side. Omar has a new target.

Sergeant Benson feels the pressure as she is investigated by Internal Affairs after Lewis' death; Olivia must make the important decision between her badge and her convictions.