Mich. Comp. Laws § 287.1111

Sec. 11. (1) A law enforcement officer or other person may kill a large carnivore if the person sees the large carnivore chasing, attacking, injuring, or killing either of the following: (a) A human. (b) Livestock, poultry, or a mammalian pet. (2) A law enforcement officer may kill a large carnivore if the law enforcement officer sees the large carnivore chasing, attacking, injuring, or killing wildlife. (3) A person is not liable in damages or otherwise for killing or attempting to kill a large carnivore under subsection (1) or (2). (4) This act does not prohibit the owner of a large carnivore, for which a permit has been issued if required under this act, from recovering by legal action against a law enforcement officer or other person the value of a large carnivore illegally killed by that law enforcement officer or other person. (5) A large carnivore's entry onto a field or enclosure that is owned by or leased by a person producing livestock or poultry constitutes a trespass, and the owner of the large carnivore is liable in damages.