Other mistake: In the alley scene immediately following the jail escape Dave and Wally are trying to open a door, Dave steps away from Wally and while looking away says "There's an alley!" Wally hollers out "Dave!" and Dave whips back around and says "I'm right here, I'm right here!" He wouldn't have been able to have heard his name being shouted since he is deaf. (00:39:00)
Other mistake: In the film, each of the cop cars have a unique number associated with their plate number. Dave and Wally steal car "2286." Braddock and the other officer get into car "5210." After everyone was shooting at Dave and Wally, they're seen driving off while Braddock, Eve, and Kirgo are all bunched up together at the intersection. You can see Braddock's car number is now "2286."
