I thought he rode a bike
Rode a bike, carrying a backpack, van was parked by an interviewed witnesses friends house, 10 miles away. Then there is a picture of said van under the water tower the day before the rally.
I think we are being fed bullshit. TMI, to confuse the hoi polloi.
I read on one of these threads a user post which said the van (perhaps a rental) was parked perhaps a mile from his eventual AGR perch. The bicycle allowed him to carry his other gear, presumably from the van in a black backpack and something rifle-shaped in a blanket-covered roll.
I understand there was a path to the AGR building that wouldn’t require his going through the magnetometer/detectors. Since the area including the AGR was outside the security perimeter, ... well you see where that line of thinking brought us!