"One Arrest" is the seventh episode of the first season of The Wire. The episode was written by Rafael Alvarez from a story by David Simon & Ed Burns and was directed by Joe Chapelle. It originally aired on July 14, 2002. 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.