During The Shield's seven season run, there are a handful of moments one can point to which color every event that comes after it. Going all the way back to the pilot, you'll find the murder of Terry Crowley. At the end of the second season The Strike Team hit the Armenian Money Train. That money, which Lem ultimately burned, tore the team apart during Season 3. While Season 4's star was Glenn Close, it was the introduction of Anthony Anderson's Antwon Mitchell which really shook things up. And how could you not mention the murder of Curtis Lemanski in Season 5? This week's episode brought us another one of these turning points. The Shield as we knew it will never be the same.