He was about ten.

He was wearing a button-down shirt that had clearly been put on him that afternoon and he had that specific ten-year-old posture of a kid who has been told he is going to meet a lot of people.

I was standing at the pass with a bus tub in my hands, four feet away, on the other side of a wall.

What happened next took eleven seconds and I have replayed it more than any other eleven seconds of my life.