Watch Adam Savage showing proof of the ineptitude/inefficacy/idiocy of the TSA's practices at airport security checkpoints. He's not the first. Plenty of people have similar stories, even going through body scanners with knives. Clearly, we need other security policies.
Misha Collins on What Made Supernatural Successful
Preferably some that don't make parents take off the shirt of their kids out of pure frustration.