Season 5, Episode 8, "Clarifications."

WARNING, SPOILERS AHEAD! Clay Davis lies on the stand, humiliating Bond and eradicating any of his political ambitions. Carcetti okays the police to do whatever they want, leading McNulty to make requests that would have previously seemed outlandish. Gus continues to suspect that Templeton is a fraud when the Iraq war veteran that Scott interviewed, comes back to accuse the paper of printing falsehoods about his time in combat. Bunk is persuaded to hold back on following through with his murder warrant for Chris, so he can tie it in with McNulty and Freamon's efforts to bring down Marlo's empire. Omar gets killed by Kenard in a liquor store.