I don't travel much, but the last two times I flew, this happened. I had to bend over and shake my hair. Then, the NSA person (wearing gloves because apparently curly hair is a biohazard,) patted and shook it.
The first time they said it was because my hair was half up. I wore it down the second time. It was humiliating and I was singled out for the over the clothes pat down. I have to get background checks and even FBI fingerprint clearance for my job. Even a misdemeanor traffic issue could mean firing. So, I'm not going to smuggle something in my hair. For Pete's sake; this isn't the movie Casino; I'm not going to stuff diamonds into a fall and waltz through modern x-ray technology so sophisticated that they can see if I missed a spot shaving my bikini line.
They made me feel line a gross criminal even though the only laws I've ever broken were parking tickets or jaywalking.I know, that kind of record plus curly hair must make me public enemy no. 2.
For reference: I'm white with red 2c-3ab curls. They were at bsl at the time. It would've been worse, I'm certain, if I had been black or brown. It's terrible, bigoted, and wrong on the part, of TSA.