Apologies if this has already been addressed.

Took another look at the Winstead video.

https://youtu.be/oHXBrEXmowo

Of note is around 0:40. Look closely at the couple, there's a kid with them who looks like they're either having a tantrum or trying to pull away from their parents. It appears likely this child is the actual source of the yelling (rather than inside or elsewhere), given most of it is heard a few seconds before, during, and after the group leave the scene.

But troubling is this when you realize, as has been suggested before, that the child sounds like they're screaming DADDY and HELP ME!

I bring this back up because I'm wondering if we've found anything on who that child might be? I'm wondering if this might well have been someone "selected" from the potential CPP "storefront". Also a pity that the video is of poor quality, or we might be better able to ID them...