The SS shot him after he got 8 rounds off.
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The SS shot him after he got 8 rounds off - - - and miserably failed to take out Trump, i.e., no longer of value. That tells you all you need to know. And how about all the phones, overseas contacts, and bank accounts totaling upwards of a million dollars? No, that hit by the intelligence community was an abject failure. That is why it has been quickly buried. Now, we have the same thing going on in the Kirk shooting that is equally screwed up but at least the got their man in this one. However, with this one they have to deal with a still alive ‘accused/patsy,’ which makes the need for splainning very messy.
The audio of the gunshots proves multiple shots were fired by multiple weapons in different locations. The first several shots had no echo, possibly because they were fired from inside the building Crooks was on top of, they're timing seemed deliberate and professional.
About five shots came next in rapid succession, all with the same sound and same echo sounds. The final shot of that group sounds different yet again. Those five shots could have been eight shots but that's not the point. That final shot of that group sounded different because it was probably the Police officer's shot that broke Crook's rifle stock, remember that? It's another story they buried. That ended Crook's ability to fire and nothing happened for 10 seconds until the sniper took his shot.
So at least 10 shots, likely 4 different weapons creating four different sounds. All neatly packaged up as the lone wolf and his 8 shots. Rinse and repeat.