• Who was the shooter?
• What caliber rifle was used by the shooter?
• Did the shooter use optics on his rifle?
• Why was no LEO on that building?
• Why did LEO set up where they had blindspots?
• Who's responsibility was it to secure that building/area?
• How long were bystanders warning there was a guy with a gun?
• What LEO first had eyes on the shooter and what was their responsive action?
• Why was DJT not covered immediately when warnings about a gunman started being given?
• Was there more than 1 shooter?
• How was the shooter so hard to see before he shot DJT, but not after?
• Who all shot the shooter, and from where?
• What was the comms structure of the LEO there?
• What were LEO rules of engagement?
• What was the LEO chain of command?
More details here
https://www.cbsnews.com/pittsburgh/news/butler-township-officer-encountered-trump-rally-shooter-on-roof-butler-county-sheriff-says/