| Clue | Answer |
| D'Angelo Barksdale's widow, who ends up becoming involved with Stringer Bell | |
| The dealer who is ambushed and shot by Marlo's crew at the end of Season 4 | |
| Ziggy Sobotka's actual first name | |
| The FBI agent who helps McNulty on several occasions | |
| Snoop is seen buying this object at the beginning of Season 4 | |
| The couple responsible for buying the 'burner' phones at different convenience stores in Season 3 | |
| Marlo sends picture messages with this object in them as a coded way to set up meetings | |
| The unit where Lester Freamon worked for 13 years (and four months) until being detailed to the Barksdale investigation | |
| In Season 5, this character has his life story published as a feature in 'The Baltimore Sun' | |
| The subject Pryzbylewski teaches at Edward Tilghman Middle School | |
| The woman Cedric Daniels begins dating after separating from his wife | |
| In the final episode, it is revealed that this character has turned into a stick-up artist, similar to Omar | |
| Tommy Carcetti's campaign manager who has a fling with McNulty | |
| Brother Mouzone's bodyguard | |
| The blind man who advises Omar | |