Maria Broom

When a witness who testified against D'Angelo Barksdale is discovered murdered, McNulty and the detail take the opportunity to link the killing to Avon Barksdale's drugs crew.

Tipped off by the Wire, Greggs, Herc, Carver and Freamon hit the projects and intercept a drugs run. No sooner have the cops made a breakthrough than Barksdale's crew make a change in their tactics.

The case against Barksdale gets political when Greggs and Carver follow a money trail to a congressional aide. Meanwhile, Omar returns with a grudge against the Barksdale outfit.

Daniels and McNulty attempt to continue the case, Freamon and Bunk try to trace a crucial call, and Pearlman and McNulty celebrate a break in the case.

Valchek seeks revenge for the church gift fiasco; Barksdale runs his empire from his prison cell; police officers investigate the contraband found in The Greek's container.

A wave of urban reform brings down the notorious Franklin Terrace public housing towers, forcing the Barksdale drug crew to find a new home on the streets of west Baltimore.