I spoke to someone who knows about how the airport security is set up. And he is a valid source of information.
He said in addition to the TSA and the State Police one can see in uniform there are Homeland Security, the FBI and NSA. Many of whom are undercover.
That explains the harassment I have gotten from people who appear to be just passengers.
He added that Homeland is "..all powerful".
Hacker Adrian Lamo Has Died at 37
5 hours ago