Federal agents should not be deployed against its own citizens.

Except the federal agents arrested peaceful protesters illegally without probable cause.

Based on what? Data shows that a vast majority, or 80% of the protests are peaceful. Out of the violent ones, there are bound to be protests which started out peaceful but were turned violent because of police aggression. What's left is the number of protests that became violent because of the protestors. And that number is really small.
https://www.ipsos.com/en-us/knowledge/society/Protests-in-the-wake-of-George-Floyd-killing-touch-all-50-states

You really think 'police aggression' is what causes it? Why'd they have to send in feds again? Oh right...

Police aggression might spur some of the violence but not all. The feds are unnecessary.

The police weren't even there.

And the Feds are arresting violent protesters out of the evil 20%. Protest and don't commit crimes and there's no problem. Protest and commit crimes and you pay the price. Wake up Bob. Police protecting people and property is not aggression, it's their job. And if they're still protesting after 50 days it must not be working.

Mark Pettibone was arrested by federal agents and he was peacefully protesting.

You know Mark?