I'm not totally caught up yet, but I just caught the second episode, and WOW. Between Cooper's partner showing his true colors during a shootout, to the shooting of the boy, to the shocking ending with Lydia's mother, it was just one powerful moment after another.
It's just a shame this show isn't a bigger hit than it is. In fact I just watched that movie End of Watch that people were praising the hell out of, and as good as it was, all I could think the whole time was that Southland was already telling these same kinds of stories, only in a MUCH better and more authentic way.