 Going back to Kevin Costner narrating this, if you heard all of these details, like the Secret Service says that this is Kevin Costner saying this in the courtroom. It was a slopey roof. So the Secret Service said they couldn't put as they're supposed to snipers up there. They noticed the sniper. They noticed Lee Harvey Oswald 26 minutes before the actual shot. They noticed Lee Harvey Oswald pull out a range finder. They noticed Lee Harvey Oswald then come back with a backpack.