Mich. Comp. Laws § 750.199: Concealing or harboring person who has escaped; violation; penalties; "peace officer" defined.

Sec. 199.

(1) A person who knowingly or willfully conceals or harbors for the purpose of concealment from a peace officer a person who has escaped or is escaping from lawful custody in violation of this chapter is guilty of a misdemeanor punishable by imprisonment for not more than 93 days or a fine of not more than $500.00, or both.

(2) A person who knowingly or willfully conceals or harbors for the purpose of concealment from a peace officer a person who is the subject of 1 or more of the following is guilty of a misdemeanor punishable by imprisonment for not more than 93 days or a fine of not more than $500.00, or both:

(a) An arrest warrant for a misdemeanor.

(b) A bench warrant in a civil case other than a civil infraction under the Michigan vehicle code, 1949 PA 300, MCL 257.1 to 257.923.

(c) A bench warrant in a criminal case if the underlying crime charged is a misdemeanor.

(3) A person who knowingly or willfully conceals or harbors for the purpose of concealment from a peace officer a person who is the subject of 1 or more of the following is guilty of a felony punishable by imprisonment for not more than 4 years or a fine of not more than $5,000.00, or both:

(a) An arrest warrant for a felony.

(b) A bench warrant in a criminal case if the underlying crime charged is a felony.

(4) As used in this section, "peace officer" means that term as defined in section 215.