The Wire

Omar persuades Bunk to help him prove his innocence, and Greggs revisits the crime scene and finds new evidence relating to the witness who was killed. Prez manages to trick his students into learning maths, while in Colvin's class Namond discovers that certain school rules no longer apply. Proposition Joe continues to court Marlo, and Carver hands Randy over to Herc, who fails to understand the importance of the boy's story