Hanrahan Investigations Group is a privately-held corporation that has been providing investigative services since 1956. With a team of experienced investigators, including former FBI agents and local law enforcement personnel, the company offers a wide range of expertise to meet the challenges in the corporate and legal worlds.
Under the management of John Hanrahan and Dain Anderson, Hanrahan Investigations Group has developed valuable contacts and sources over the past 50 years, enabling them to satisfy their clients' needs. The company is dedicated to mentoring and training young investigators through an internship program with Western Illinois University, ensuring the next generation of professionals in the litigation industry.
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