Take a look at this Paul Joseph Watson video. It shows the ladder.
Strange Questions About the Trump Assassination Attempt
https://www.youtube.com/watch?v=RGNRkumDjm0
He put up a second video.
Weird Things About the Trump Shooting
https://www.youtube.com/watch?v=TxE3t3lUijA
Thanks for posting, Tom! Fixing to watch them.