I don't agree with what these two provocateurs did but I also don't agree with prosecuting them solely because I don't agree with what they did. If the case can be made that they legitimately broke the law then prosecute. Otherwise...oh well.
Assaulting/resisting/obstructing a police officer
750.81d Assaulting, battering, resisting, obstructing, opposing person performing duty; felony; penalty; other violations; consecutive terms; definitions.
Sec. 81d.
(1) Except as provided in subsections (2), (3), and (4), an individual who assaults, batters, wounds, resists, obstructs, opposes, or endangers a person who the individual knows or has reason to know is performing his or her duties is guilty of a felony punishable by imprisonment for not more than 2 years or a fine of not more than $2,000.00, or both.
(7) As used in this section:
(a) "Obstruct" includes the use or threatened use of physical interference or force or a knowing failure to comply with a lawful command.
Brandishing in public
750.234e Brandishing firearm in public; applicability; violation as misdemeanor; penalty.
Sec. 234e.
(1) Except as provided in subsection (2), a person shall not willfully and knowingly brandish a firearm in public.