I assume the FBI inquiry will track this down, but I wonder what happened to the bullet that was fired at Trump (assuming that was what hit him). It can hardly have been much slowed or even deflected by grazing him, so it should have continued past on nearly the same trajectory, perhaps ending up in the stands, or in some of the equipment around the field, or, if it missed them, burying itself in the ground some yards away.
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@DavidSalo the bullet hit his teleprompter and the glass from that is what hit his ear
@lacuda
If that were so, the teleprompter screen would have appeared broken in photographs and that is not the case. The teleprompter screens were undamaged. That particular account appears to be an hypothesis without basis.