No doubt, selecting "the best law film" is highly dependent on one's personal preferences and even the general mood of the public at the time a film is released. So let's see what Oscar has to say about the best trial films since the inception of the Academy Awards.
What is there to say about true-crime books? They're fun. They can be intellectually compelling, and, like the fictional variety from Hammett, Cain and that crowd, they're more often than not rooted in the far side of respectability or polite society.