During the exchange of the kidnap money for clean money, the kidnapper opens the suitcase to reveal packets of money all banded and neatly stacked. When he is shot on the beach a couple of minutes later, the suitcase flies open for no apparent reason and loose bills go flying all over the beach.
All of the ransom money tightly banded in bank bands when the kidnapper hides it in the scuba tank, but the bills are loose and blowing around the back seat when the father of the kidnapped boy removes them from the scuba tank and throws them into the back seat of his car.
Gibbons claims that the reason he had a bottle of champagne suspended over the side of his boat was that it was the best way to cool it. However, the ocean around Oahu is between 76 and 81F. Hardly ice bucket temperatures.
Galen Kam's character is named "Ming", but listed as "Garoyan" in the credits.