Mich. Comp. Laws § Article I § 11: Searches and seizures.

Sec. 11.

The person, houses, papers, possessions, electronic data, and electronic communications of every person shall be secure from unreasonable searches and seizures. No warrant to search any place or to seize any person or things or to access electronic data or electronic communications shall issue without describing them, nor without probable cause, supported by oath or affirmation. The provisions of this section shall not be construed to bar from evidence in any criminal proceeding any narcotic drug, firearm, bomb, explosive or any other dangerous weapon, seized by a peace officer outside the curtilage of any dwelling house in this state.