They never show up in MI, every non-felon 21+ can open carry here, no permits required.
Concealed carry permits are ‘shall issue’ in MI, meaning every non-felon can get one after taking a 8hr class.
Could be that section d of Idaho statues wrt to justifiable homicide just might have something to do with it.
d) When necessarily committed in attempting, by lawful ways and means, to apprehend any person for any felony committed, or in lawfully suppressing any riot, or in lawfully keeping and preserving the peace.