Cornerstone Investigations & Intelligence

a full service licensed private investigation firm specializing in investigations, intelligence, protective services and crisis management. We are a professional team of former Federal Agents, intelligence operatives and local law enforcement veterans who have conducted thousands of hours of investigations and operations for both the U.S. Government and the private sector. Cornerstone is unique in that our experience is rooted in conducting investigations into national security crimes (terrorism, espionage, treason, sedition and sabotage), human intelligence collection and counterintelligence operations for the U.S. Government. We have the resources, network, sources, equipment and experience to get the job done quickly and efficiently. From our office in St. Louis, Missouri we provide our specialized services to a variety of industries and individuals.To learn more regarding our capabilities and resources please visit our web page.