s/he's not under oath when s/he says it, so it's not perjury.
Lying to a federal official is some other criminal offence and is a pretty bad idea.
Lying to a federal official is some other criminal offence and is a pretty bad idea.
If a TSA agent needs to do anything beyond their remit, they must get a law enforcement officer to do it.
[0] The TSA's kangaroo court has been gradually expanding what the TSA feels it is legally permitted to do as time goes on, but -happily- Federal judges have started to take a really dim view on the TSA's (incredibly long-standing) procedural end run around judicial review.