I've heard backpacks and duffel bags mentioned, but then thought, "Why not a toolbox?" (Something the police may even be less likely to search or search thoroughly, especially if a tray of tools covered the compartment the gun was in.)
That particular weapon is an H&K MP-5k, a 9mm. Similar weapons with folding stocks are available in .223, it takes about 3 seconds to snap on a scope.
I think everyone is being done a disservice with the "one lone white wacky gunman" theory or the "one lone white wacky gunman and his friend Earl who drives the truck" theory.
This could be a well financed, well thought out campaign to instill terror in our nations capital.
If that was their plan, they are succeeding.
I've heard supposedly bright people say, "If it was Al Queda, they would be taking credit". Why, so they would be easier to find and stop? The less people know about what is happening, the more terror. Isn't that what it's all about?