[TangoLimaSierra]

The three cops she was talking to right at the door saw zero threat at all.

First they probably don't have X-ray vision.

Second they were probably on the antifag's side.

[DesertRhino]

As a cop, you cannot shoot someone for having a backpack at a protest. Not even a violent protest which this wasn’t. It was just a bit rowdy.

That is well established US law and case law.