Sgt. Wayne Jenkins gives a lecture to cadets, while investigators Erika Jensen and John Sieracki question Momodu Gondo about his connection to a known drug dealer. Attorney Nicole Steele looks into complaints against notorious cop Daniel Hersl. Then, after an overdose death in Hartford County, David McDougall tracks the source of the drugs to Baltimore.

• David Simon
• George Pelecanos
• Justin Fenton

• Bobby J. Brown
• Kevin Murray
• Chris Clanton