Although Anton is portrayed as a reluctant criminal with little or no experience with weapons, he somehow manages to kill Rudy with one perfect shot from 50 - 75 yards away using an unsteady one-handed hold on his pistol.
While Milo is holding his dying son Anton during their escape from the airport in a rubber boat, only the noise of water rushing alongside the boat is heard, even though the boat's loud outboard motor is running only a few feet away from them.