Surveillance video inside a vape shop in Las Vegas shows an owner defending himself with a knife from would be robbers. On Aug. 3, Johnny Nguyen, 22, was captured on film stabbing one 9th teen charged in Las Vegas student's deadly beating appears in court Las Vegas smoke shop owner fights back, stabs robber Boy stabbed to death inside vape shop after being chased and attacked by gang Surveillance video inside a vape shop in Las Vegas shows an owner defending himself with a knife from would be robbers. On Aug. 3, Johnny Nguyen, 22, was captured on film stabbing one Police getting rid of boxes of vapes from the new vape store on Western Road : r brighton