• Verify the license: Investigators in Maine have a stringent licensing requirement. A call to the state Gaming and Weapons Division of the State Police will reveal whether an investigator is licensed. (207) 624-8784

• Check with the Better Business Bureau: Complaints against investigators can be researched at www.bosbbb.org.

• Ask to see a copy of the investigator’s liability insurance.

• Ask for relevant references: Inquiries can be sent to Maine Licensed Private Investigators Association at www.mlpia.org.

• Ask if the investigator belongs to any professional associations. There are many such groups, and membership indicates a commitment to the profession.

Source: Maine Licensed Private Investigators Association