yes, and if a cop murders a civilian they are (supposed to be) liable, but innumerable news stories over the past... long time have shown that not to be the case far too often.
There are flaws in the justice system. And by no means is it totally fair. But in this sort of situation, where a judge has seen the evidence and issued a warrant, usually there is usually something there. It's very possible this is selective prosecution. But, I'll bet you a good sum of money at even odds that there's probable cause she committed a crime.