When they are looking at the tape of Adessa the camera zooms in on Sweet and Wilson is misspelled on his name tag. (Wilson)
Near the end, when Gillespie is driving Colmer. Sr. to where Colmer, Jr., is, the chief blows through a stop sign, at the railroad tracks, violating probably two separate traffic laws (there was no emergency at this time, and trains don't defer to police chiefs).