Visible crew/equipment: In the dance scene towards the end of the dance he has an earpiece in his left ear. (02:14:00)
Continuity mistake: After Ron is assigned as bodyguard he aims a punch at Landers. His jacket swaps positions between shots, leaving his left elbow covered or uncovered.
Continuity mistake: Before Ron is told he'll be Duke's bodyguard he scratches his eye. A shot later his hand is lowered, only to appear raised a shot afterwards.
Character mistake: As Ron goes to tackle Connie (bomb scene) - he states "Colorado State Police" - not "Colorado Springs Police" - two separate entities.