Kinsey Investigations is a full-service, licensed and bonded private investigator in Los Angeles, with our LA County office centrally located in Marina del Rey. While we specialize in missing person cases and family law, we also deal with infidelity and cheating spouse investigations. Our professional investigators and surveillance experts conduct a wide range of other investigative and related services for a variety of clients, including: private individuals, attorneys and law firms, businesses and corporations, organizations, and insurance agencies in and around the Los Angeles and Orange County areas as well as throughout the entire state of California.