[LINK IN BIO] A Las Vegas man was sentenced to at least 20 years in prison for shooting and killing the owner inside a business. Read what blood tests found in his system and the paranoid thoughts GRAPHIC: Smoke shop owner fights back, stabs attempted robber GRAPHIC: Smoke shop owner fights back, stabs attempted robber 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 A deadly bodega row and the shocking video that may help shopkeeper walk free The Independent Las Vegas vape store owner defends himself by using a knife to stab would be robber Antigua News Room