Gritty cop yarns aren’t what they used to be, literally. Nearly forty years ago, the notion of depicting law enforcers as imperfect was almost unthinkable, but fast forward to now and that’s suddenly become the standard. That’s the expectation. Police procedural stories no longer demand that their central characters be squeaky clean and pure to a fault; today, we want our television and movie cops to have pathos, to be flawed, and sometimes– maybe oftentimes– do whatever they have to in their pursuit of a crook. Maybe that’s a reflection of modern society, or maybe audiences just grew bored with archetypal goody two-shoes hero cops. Either way, ours is a…