In Avon and his lawyer's first meeting with the prison officials, the lawyer says that they want Avon's first parole hearing moved from 28 months from now to a year. In their second meeting, the lawyer says that they want his parole hearing moved up by 12 months, making his first hearing 16 months from that time.
Frequently we see the Dock/Union people in icy conditions on the streets. At a similar time the police, including McNulty working on the docks, are never in icy conditions.
While McNulty is leaving his card on Omar's burned out van, a group of kids walks up. The next time they are shown a tall kid with a big red bag appears in the middle of the group and then disappears again in the last shot of the kids.