Compiled Laws, Chapter 750. Michigan Penal Code § 750.495a

Sec. 495a. (1) A person who drives or places in or on any tree or wood product, without the prior consent of the owner, any iron, steel, or other substance sufficiently hard to damage saws or wood manufacturing or processing equipment with the intent to cause inconvenience, annoyance, or alarm to any other person is guilty of a misdemeanor, punishable by imprisonment for not more than 90 days, or by a fine of not more than $500.00, or both.

(2) A person who drives or places in or on any tree or wood product, without the prior consent of the owner, any iron, steel, or other substance sufficiently hard to damage saws or wood manufacturing or processing equipment with the intent to cause inconvenience, annoyance, or alarm to any other person, and who, by doing so, causes injury to a person, is guilty of a felony, punishable by imprisonment for not more than 4 years, or by a fine of not more than $2,500.00, or both.

(3) A person who drives or places in or on any tree or wood product, without the prior consent of the owner, any iron, steel, or other substance sufficiently hard to damage saws or wood manufacturing or processing equipment with the intent to cause inconvenience, annoyance, or alarm to any other person, and who, by doing so, causes death to a person, is guilty of a felony, punishable by imprisonment for not more than 15 years, or by a fine of not more than $7,500.00, or both.

(4) This section does not prohibit an individual from being charged with, convicted of, or punished for any other violation of law that is committed by that individual while violating this section.

(5) This section does not prohibit a landowner from attaching an alarm system to a tree, or authorizing an individual to attach an alarm system to a tree, on the landowner's property.