Everyone's afraid of Mackey: The Shield

Mackey continues his fierce ways in episode 3, season 6, of "The Shield," in this episode tracking down the Mexican drug lord Guardo and torturing him to (near) death, then executing him. Mackey still believes Guardo killed Mackey's partner Lem, though we know that Guardo was innocent and another one of Mackey's team, Shane, was complicit (I can't remember exactly how that came about - might have to go back and watch that episode from season 5.) Shane, torn by fear and guilt, tries to dissuade Mackey from torturing Guardo. Of course when Mackey kills Guardo it takes a big load off Shane's mind; Mackey thinks he's closed out his quest for vengeance for Lem's death. Something tells me it won't be that easy and that Mackey will learn he'd killed the wrong guy. The torture scene is pretty awful. It's also awful to watch Shane and third partner - what is his name? - stand by as Mackey tortures someone. Everyone's afraid of Mackey - you want him on your side, you don't want him against you, but it's a form of torture in itself to be a member of his team. He draws his partners into hell - corruption, brutality, a code of selfrightousness and anger at everyone else on the force and in the world. I miss Forrest Wittaker (Kavangaugh), who now seems to be out of the plot - contract issues? or just the way the story line developed? He was a great counterweight to Mackey, and always interesting to see him act, to catch the way he phrases even the simplest observations.