I worked for Delta from 2000-2003 in reservations. Once a year, the airport needed volunteers from our department to help with baggage during a seasonal rush that saw traffic quadruple. I always wondered what magic happened behind the wall where the baggage disappeared. I was shocked. On the other side of the wall in the "secure area", the baggage piled up on a small counter as me and two other people carried them to a cart attached to the tug. No cameras, no supervisors, no nothing and from there it went on the plane to continue its route. That means at any point of contact, something could be taken quite easily and it would be next to impossible to pinpoint when it was taken. The easiest would be by the plane loaders as they are alone underneath with the luggage. I don't know what its like now with all the TSA BS, but I can't imagine its much better. Don't put anything you care about in checked baggage. The only reason the guns are relatively safe is the penalties and investigations that would arise from their theft.