On gitHub there are available for download the blueprints for the TSA master keys, every lock which is TSA recognized is at risk. The Washington Post published a story about the secret life of baggage showing the secret work the Transportation Security Administration officers do to inspect luggage without having to cut off any locks protecting it. The TSA master key is designed to only work with locks created specifically for to protect luggage during the trips, they were designed thanks to partnerships between the agency and lock manufacturers. Now, anyone with a 3D printer can create their own copies of the master keys and create them they have, according to reports from exuberant users.”]
Source: http://securityaffairs.co/wordpress/40068/hacking/tsa-master-keys-3d-blueprints.html