Mich. Comp. Laws § 750.217: Disguising with intent to intimidate.

Sec. 217.

Any person who in any manner disguises himself or herself with intent to obstruct the due execution of the law, or with intent to intimidate, hinder or interrupt any officer or any other person in the legal performance of his or her duty, or the exercise of his or her rights under the constitution and laws of this state, whether such intent be effected or not, is guilty of a misdemeanor punishable by imprisonment for not more than 1 year or a fine of not more than $1,000.00.