Michigan

Any person who willfully uses any device to overhear or record a conversation without the consent of all parties is guilty of illegal eavesdropping, whether or not they were present for the conversation. Illegal eavesdropping can be punished as a felony carrying a jail term of up to two years and a fine of up to $2,000. Mich. Comp. Laws § 750.539c.

In addition, any individual who divulges information he knows, or reasonably should know, was obtained through illegal eavesdropping is guilty of a felony punishable by imprisonment for up to two years and a fine of up to $2,000. Mich. Comp. Laws § 750.539e. Civil liability for actual damages; punitive damages also are sanctioned. Mich. Comp. Laws § 750.539h.