Originally Posted by PV
However… while the TSA does not prohibit photographs at screening locations, local laws, state statutes, or local ordinances might. Your best bet is to call ahead and see what that specific airport’s policy is.
State and Local Laws about taking pictures in a public place?
FWIW, I've taken a few pictures near checkpoints and I've never had a problem.
Now that I know what PV's stand is, I think I'll snap a few close up photos to add to a stock photo collection, if nothing else.