Corrected entry: When the sniper woman fires at the FBI agents, they quite blindly return fire in the general direction of the opposite hotel. This is strictly against regulations, as law enforcement officers of all kinds are only allowed to fire when hitting the target can be safely assumed. These agents obviously did not mind a little collateral damage.
Corrected entry: In the movie the Swedish surgeon is supposed to be the best doctor of the University of Stockholm. The only problem is that the University of Stockholm doesn't have a medical faculty.