Private detectives conduct private investigations to locate missing persons, obtain confidential information, and solve crimes. They report criminal information to police and testify in court. Private detectives must be licensed in Georgia. · Applicants requirements for a security company license: 2 years of experience as a supervisor or administrator in in-house security operations or with a licensed security agency, or 2 years of experience in law enforcement, or four-year degree in criminal justice or related field from an accredited school