Qualified immunity; because there is no explicit guidance against police “shooting blonde, female Australian news reporters live on the air while covering an LA protests against ICE on a weekend” - he will be let off with a stern talking to, and a wink.

Don't worry. They will conduct an internal review, which will identify the officer at fault and punish him by having him go on paid vacation.

It is. But do you see any other cops moving to arrest the shooter? This is why people say ACAB. Sure, some of them probably really do want to make positive change, but they don't actually take the actions against other officers required to allow for that change. They instead fall in line, which makes them just another part of the problem. Law enforcement finds it more important to show a united front, even if that front is squarely against the people, and even the law itself.

he saw something on the other side of her and he only hit her because of poor aim - most likely results of investigation if that even happens

Cops merely protect the ones giving orders rather than the people, so it's not a big surprise. This is why anarchists believe that they should be abolished.