[odawg]

“What did they know and when did they know it?”

Just barely after he hit the floor and was handcuffed, somehow the Secret Service knew that he was a lone gunman. Don’t know exactly how they knew that. They started investigating him immediatly, but that little bit of knowledge did not need to be investigated, obviously.

[gloryblaze]

Just barely after he hit the floor and was handcuffed, somehow the Secret Service knew that he was a lone gunman....

All that was said was that there didn't appear to be other gunmen at the scene, but they closed it off to make sure.

What are you implying?

[Alas Babylon!]

Just barely after he hit the floor and was handcuffed, somehow the Secret Service knew that he was a lone gunman.

You don't know that. You're just speculating.

And what is "barely"? Ten seconds? One minute? 15 minutes? an hour?