Plot hole: When the bomber is surrounded at the end he gets shot in the leg but manages to get away from all of the police that were surrounding him. They were literally an arm's length from him.
Plot hole: At the end the bomber is watching the band perform on stage. Behind them is the loop where the bomb squad are on the track approaching the tunnel exit, but he only sees them when he takes the photo for the family. He should've seen them long before that.
