At 33 minutes in the girl in the red SUV has the radio on and it's playing a song from Locksley called "The Whip" which was released in 2010. The movie takes place in 1998.
The movie takes place in 1998, but when Weiss is talking to different people in the materials department, one of them has a black Dell LCD monitor which wasn't available until the mid-2000s.
When the paramedic is inserting an IV into Mike on the ambulance trip, he is using his right hand to apply the patch to. When the next shot zooms in on his face, the paramedic is applying the patch to his left hand.
During the questioning of Jeffrey Dancort by Nathaniel Price (31:00 minutes into the movie), Dancourt says his home is in Houston Texas, but he gives the zip code of 74561 which is Quinton, Oklahoma.