Las Vegas Metro Police officers stand watch outside the entrance to the Excalibur hotel-casino after a shooting near the registration desk left two dead, Friday, Dec. 14, 2012, in Las Vegas. At around... more 

Las Vegas Metro Police officers stand watch outside the entrance to the Excalibur hotel-casino after a shooting near the registration desk left two dead, Friday, Dec. 14, 2012, in Las Vegas. At around 8:30 p.m., a man shot a woman, who was a vendor at the hotel's concierge desk, and then turned the gun on himself. The man was found dead at the scene. The woman was transported to a local hospital, where she was pronounced dead.(AP Photo/Julie Jacobson) less