Mich. Comp. Laws § 32.1104: Aiding or attempting to aid enemy; harboring, protecting, or giving intelligence to, or communicating, corresponding, or holding intercourse with, enemy; punishment.

Sec. 104.

A person subject to this code shall be punished as a court-martial directs if the person commits 1 of the following acts:

Aids or attempts to aid the enemy with arms, ammunition, supplies, money or any other thing.

Without proper authority, knowingly harbors, protects, or gives intelligence to, or communicates or corresponds with, or holds any intercourse with, the enemy, either directly or indirectly.