Mo. Rev. Stat. § 324.1110: Licensure requirements.

1. (1) The board shall require as a condition of licensure as a private investigator that the applicant pass a written examination as evidence of knowledge of investigator rules and regulations.

(2) In the event requirements have been met so that testing has been waived, qualification shall be dependent on a showing of, for the two previous years:

(a) Registration and good standing as a business in this state; and

(b) Two hundred fifty thousand dollars in business general liability insurance.

2. The board shall require as a condition of licensure as a private fire investigator that the applicant:

(1) Provide evidence of active certification as a fire investigator issued by the division of fire safety; and

(2) Provide proof of liability insurance with coverage of at least one million dollars.

3. The board shall conduct a complete investigation of the background of each applicant for licensure as a private investigator or private fire investigator to determine whether the applicant is qualified for licensure under sections 324.1100 to 324.1148. The board shall outline basic qualification requirements for licensing as a private investigator, private investigator agency, private fire investigator, and private fire investigator agency.