The badge does not give the right to disobey the law when off duty. At that speed the cop should have been fired.
Absolutely, She had every right to pull him over for his excessive dangerous speed that could have killed somebody.
Since when does a badge give someone the right to break the law. She is being harassed and she has every right to sue.
Worse, driving in a reckless manner like that and operating a department vehicle, he put the entire city on liability watch had he run into anyone. 120mph, wow.