I may be biased because I'm a cop, but this is one movie I can watch over and over again. The plot is a basic, yet incredibly twisted one. Seeing as there is an actual war on cops these days, this movie was ahead of its time. In terms of being authentic; from an actual police officers point of view, it is just that. There are some parts (apartment fight between civilian and cop), that don't quite pinpoint the realism of police work. However, the interactions between Zavala and Taylor felt very real and the camaraderie was all on point. The story is excellent, the realism is there. The only real gripe I have is that the "bad guys" could have used a better backstory.