I saw a TSO document checker talking with a child at the checkpoint once. Probably asking him his name since he didn't have ID, and has been heard on the board, they do that sometimes with children. It really annoyed me. It looked like something out of communist russia.
On a lighter note, this post on the comments section of that article made me laugh:
"Last time I had a similar experience with TSA. I was asked "Do you ever like to watch Gladiator movies?"
I thought that was a bit odd. "