Knife Attack Caught on Tape

Take a look at this knife attack caught on tape at a convenience store.  The attack was simple. brutal and effective - right up to the point where the owner shot him.  Regardless, the attacker sent at least three people to the hospital with an attack that last about 20 seconds and he would have survived the attack himself if not for the intervention of a third party that gave the store owner enough time to get to his gun.  Watch and learn...