1. He packs all of the gear in a backpack and duffel bag.
2. All of the weapons and gear are out of site as he rides the Uber and enters the school.
3. Inside the school he dons the gear, takes out the weapons, and begins his rampage.
4. After shooting several students, he ditches the weapon and his gear and blends in with the students fleeing the school.
5. A half hour later, he is apprehended a mile away. Not a long way to walk in a half hour.
2. All of the weapons and gear are out of site as he rides the Uber and enters the school.
3. Wearing a school shirt, he carries a black duffle bag and a black backpack inside. A 15-year-old student says he encounters Cruz loading a rifle inside a second-floor bathroom, according to news sources. “You’d better get out of here,” Cruz tells the student. “Things are going to start getting messy.” The student flees and alerts a staffer.. Inside the school he dons the gear, takes out the weapons, and begins his rampage.
4. After shooting several students, he ditches the weapon and his gear and blends in with the students fleeing the school. Police say Cruz discards his assault rifle and backpack in a third-floor stairwell and runs downstairs to join students fleeing the school. He goes to the Walmart, where he has a drink at a Subway outlet inside. He leaves and walks to a McDonald’s.
5. A half hour later, he is apprehended a mile away. Not a long way to walk in a half hour.
With the information known at this point, this appears to be the rough timeline.