 Some are obvious. I mean, I asked Secretary Maroukis last night, my first question is, were drones being used in the vicinity? I mean, that would be an obvious thing. You would be able to spot someone on a roof. He didn't know when I asked him that question last night. That doesn't mean it didn't happen, but he didn't know last night. We need to know, how could an individual be at that elevation that was seen by apparently bystanders on the ground? How could that not be noticed by Secret Service? Lots more questions than answers this morning.