The software engineer couldn't board a flight after refusing a full-body scan that reveals an image of what's under his clothes. He also wouldn't allow a Transportation Security Administration worker to conduct a groin check. Tyner tells the worker, "If you touch my junk, I'm gonna have you arrested."
Tyner's blog says he left the airport -- but only after being threatened with a lawsuit and fine for failing to complete security screening.
A TSA statement Sunday said body scans and pat-downs make flying safer.