Great movie

Rating: 9/10 (16 October 2019)

I read a lot of comments who make a critic not so close about the real history.
SPOILER ALERT
Ok, now, they tell about the characters are wrong on every step they take. Firstly, we need to put on track about the story of the childhood of the mains: Dave it's abducted by a pedestrian guys, he finally make an scape and left his friends behind. In the movie thells about his feelings in that way, says something like they forgotten about him...
So, Jim perform a killing without evidences, in the end, Sean knows he kill Dave but he doesn't have any evidence. That's a problem, because he knows about, but Jim never says something like "I've killed Dave, dude, throwing away in the river" he only says about the non fast of the case... so, actually he can put him on arrest.
Now, Dave have issues with his trauma, he makes more violent when they feels attacked. So, his psychology is perfect clear: he kills because he is out of his mind in the moment.
What happened whit the another detective? Really that's a question? Who cares about it... it's no relevant to the storyline... the end is a promise: Sean points at Jim. Knows he killed Dave, only he needs evidence... great finale.
Actually it's a great movie. Twist are great and the drama is overwhelming.