In fact, many of the rioters were - themselves - police, ex-military, or members of private security services.

https://www.kuow.org/stories/scotus-deals-setback-to-seattle-police-officers-seeking-anonymity-in-stop-the-steal-inquiry

The U.S. Supreme Court has denied a request for a stay from four current or former Seattle police officers seeking to prevent SPD from disclosing their names and other records.

The officers were investigated for attending President Donald Trump’s “Stop the Steal” rally on Jan. 6, 2021, that led to an armed insurrection at the U.S. Capitol.