[wideminded]

and I have come to the conclusion that the shooter or shooters weren't based on the 32nd floor.

Obviously there must be an enormous amount of evidence from the crime scene regarding the direction and angle of fire. So your idea, like all conspiracy theories, would require a very large group of investigators to all coordinate their stories and keep permanently quiet about what they really found.

I believe that some of Mandalay Bay's lower floor windows can be opened

I have no evidence for this, but that's what I believe.

[jmacusa]

Impossible. Building codes and fire regulations don’t allow that.