Neither of them made a single sound, and I have watched the recording of those eleven seconds more times than is good for me, and what it shows is a woman falling against a door with a toddler in her arms while two other women in the room continue exactly what they were doing.

Brenda looked up.

That is all.

She looked up for about two seconds and then back at her phone.

Something happened to me on that floor that I have never been able to describe properly.

It was not rage and it was not fear.