Fierce fighter, but humble, deferential to a fault, carefully rewards goodness only when he cannot be thanked, protective of innocents --- much like our finest cowboy heroes (Shane, Coop in Noon, Clint).
My wife likes The Shield for the same reasons she likes Hollywood's version of Cosa Nostra: protect the innocent, swiftly and without recourse punish the guilty.
If Michael Corleone ran the justice system, would O.J. be playing golf? Would the beaten, threatened common-law wife be turned away from the police station with "until he actually kills you, the ACLU won't allow us to do anything?"
Just saw the first sequel episode, #2. The print I found appears to be a crude chop job by Janus Films, that marketer having rudely hacked off the correct ending.