The Wire Season 1 Episode 7 : One Arrest
"A man must have a code." - Bunk Using information from the wiretap Detectives Greggs, Herc, Carver, and Sydnor catch a runner on his way to the pit with a re-supply. Avon worries about a possible snitch and Stringer confounds the detail's investigative efforts by cautiously instructing his people to stop using payphones. Rawls pressures his detective in the detail for information on their case.