"Text messages between law enforcement before the assassination attempt against Donald Trump earlier this month suggest that some officers raised the shooter’s presence at the rally more than 90 minutes before he climbed onto a roof and fired eight rounds at the former president.
In text messages obtained by Republican Sen. Chuck Grassley from the Beaver County Emergency Unit, a local countersniper first raised with his colleagues that he saw someone park near their vehicles and sit on a nearby picnic table at 4:26 p.m."
https://www.cnn.com/2024/07/28/politics/trump-assassination-attempt-police-shooter-presence/index.html
New Evidence Shows FBI's Direct Link to Trump's Shooter