 At the end of season two, he is arrested by Michael Santangelo while trying to steal needles and morphine from an ambulance; in exchange for his release, he tips off Greggs and McNulty to the new alliance between Proposition Joe and Stringer Bell.Bubbles is back to assisting the Major Crimes Unit once again.Bubbles is a former associate of Squeak, the girlfriend of Bernard, the runner assigned by the Barksdale gang to pick up their burner phones.