Craig: Great list.
To me, even more telling than gunshot noise is the sight and smell of gunsmoke.
One could posit that sound bounces, there were echos, and other noises that day in Dealey Plaza. Personally, I think people accurately heard shots from the Grassy Knoll-colonnade area, but a weak case can be made witnesses were mistaken.
But no one seriously posits that Dealey Plaza witnesses were smelling gunsmoke from the TSBD, 80 yards downwind. The LN crowd stumbles on this, and the WC just ignored it. The HSCA, more or less, concluded that shot was a miss.
You miss a limo from 75 feet?
Some witnesses recall the sight of gunsmoke, but say it was in the trees etc., so some witnesses could miss that.
To me the basic premise survives: It strains credulity that there were gunshots and copious gunsmoke on the Grassy Knoll just as the President was being assassinated, and yet no shot from the front-right hit even the limousine.
A intentional diversion fits the facts.
Add on: Seems also a real assassin would want a secluded place he could camp out for a while (even 10 minutes), and level a long-rifle. Oswald (if it was Oswald) had that, and so might assassins in the Dal-Tex building.
Who would bring a rifle alongside a parade route for the President? If even one witness spotted such a individual even three minute before the shooting, the gig would likely be up.
But a snub-nose .38 is perfect as a diversion.
The "hysterical woman": Sure there are photos of women crying that day, and even lots of guys, naturally enough. But one summoned Patrolman Smith, and made clear gunman were in the bushes, somewhere around the pergola-colonnade. He took her seriously, and began searching that area.