A Private Investigator Bond or Security Guard Agency Bond are types of surety bonds required in Michigan for those desiring to act as professional investigators or professional investigator agencies licensed by the State of Michigan under P.A. 285 of 1965. The Michigan Department of Licensing and Regulatory Affairs requires each professional investigator or professional investigator agency licensee to file and maintain an active corporate surety. The conditions of the corporate surety bond are faithful and honest business conduct by the licensee as defined by the Michigan Department of Licensing and Regulatory Affairs and the surety bond is issued for the benefit of all persons injured by the willful, malicious, and wrongful act of the professional investigator. or professional investigator agency