it was sort of a joke. >> fixler hands the man a diamond ring.closely, as if he's considering buying it. but fixler senses something is off. >> i see that he was hesitating and the price tag of that ring was $14,000. so i figured to myself, maybe that price is a little too much. >> as fixler and the man talk, something unexpected happens. >> what comes in my face is an automatic pistol. >> the gunman demands money, but fixler has no intention of giving in to his threats. the robbers don't realize it yet, but the unassuming shop keeper is not as defenseless as he appears. >> my brain went into this is the real deal. this is an automatic. do not like automatics. and now i've got o'kill these guys. i pushed the weapon out of my face, i bolted about eight, ten feet to where i have my revolver hidden, took it out of the holster and came up, pointed guns at each other and i just fired away. >> fixler aims at point-blank range and shoots both men in the chest. the dramatic moment is played out in front of the store's surveillance camera. >> as you view