I had thought about what I would say to her about this for about four months, because I knew it was coming.

I said: “Sixteen seconds.

From the top of the stairs to that driveway is what, twenty seconds?

You’d have arrived four seconds sooner than you did and there’d have been six adults standing there instead of five.

“And there would be no video, and there would be no 911 call, because the reason you called is that you’d just watched it through a screen and it was real.

“Everything that happened to that family happened because a sixteen-year-old picked up a phone twice in four minutes.