I've got an idea. The next time he's standing in line to get on a plane he should say something like "I'm going to blow it out of the sky." Then he can discuss satire, humor and jokes with the port police, FBI, security and whoever else wants to listen.
One of the earlier reports I read said that they were "messing around with her" because she had given them "a look." That seems to indicate to me that they wanted her to believe what they were saying - they wanted to concern her and wanted to scare her. She didn't just overhear something and read too much into it - they wanted the reaction they got. They just thought they'd drive off and not have to worry anymore, IMO.
"We'll bring it down."