 Carver commands the district's Drugs Enforcement Unit – a squad of plainclothes police officers dedicated to drug arrests, composed of Herc, Kenneth Dozerman, Lloyd "Truck" Garrick and Anthony Colicchio.He fails to learn a valuable lesson from his work with Kima – a police officer is only as good as their informants – as he fails to secure any CIs for his unit and has none to present to Major Colvin.Dozerman is subsequently shot and injured while under Carver's command in a failed buy-bust sting operation.