This. I've had TSA request "a personal device, like a phone or laptop" twice at the Austin airport. The first time, I (pretty defensively) refused and started a

This. I've had TSA request "a personal device, like a phone or laptop" twice at the Austin airport. The first time, I (pretty defensively) refused and started asking why they needed it. Turns out I had been randomly selected for an explosives swab, and they wanted to test my devices rather than my person. Both times the test was performed with the devices powered off, and with me present.