This Sunday, Feb. 28, 2016 photo released by the Transportation Security Administration shows a pair of gun-shaped stiletto heels at Baltimore-Washington International Thurgood Marshall Airport, in Maryland. A woman had the shoes in her carry-on luggage as she tried to move through security. The agency prohibits passengers from carrying &quot;replica guns or ammunition&quot; through airport security checkpoints. (Transportation Security Administration via AP) Photo: HOGP