Mich. Comp. Laws § Article I § 17: Self-incrimination; due process of law; fair treatment at investigations.

Sec. 17.

No person shall be compelled in any criminal case to be a witness against himself, nor be deprived of life, liberty or property, without due process of law. The right of all individuals, firms, corporations and voluntary associations to fair and just treatment in the course of legislative and executive investigations and hearings shall not be infringed.