Originally Posted by Boggie Dog

I would say the most dangerous part of flying in the US is waiting in any line for the airline, TSA or other areas. I'm most familiar with DFW, FLL and LAS and in each case baggage claim is outside of the secure area so anyone can insert a device.

Waiting in long airline ticket lines or waiting in some rather long lines for TSA (LAS) provides an opportunity for something to happen.