There’s a lot to be said for actually seeing the site first hand. All the discussion about what was or was not capable in terms of the weapon and marksmanship becomes pretty clear when seen this way.
It was completely possible for a single shooter. Was Oswald that shooter? That’s debatable, but it’s more plausible than a lot of other theories.
Yes, I stood on that sidewalk and it seemed as if I could have reached up and knocked on the glass with the road sloping down toward the underpass.