About Us

Lawrence J. Hamilton, CIP, FCLS
Partner/Investigator - Hamilton-Gray Investigations

Hamilton has been licensed to conduct investigations in the State of California since 1993. His background includes FBI (surveillance & undercover operations), San Diego City Attorney's Office (fraud and civil pre-trial investigations - both defense and plaintiff), San Diego Law Enforcement Training Instructor, Special Investigations Unit Manager, Workers' Compensation Investigations Instructor and General Investigations Training Instructor for Private Investigators, Law Firms and insurance carriers.

Hamilton specializes in AOE/COE, Subrogation, Civil Pre-trial, Asset Searches, Background and Catastrophic Claims. He has completed fraud packages for local law enforcement agencies with a large number of convictions. After the convictions, Hamilton has filed Civil Restitution Orders (CR-110) with the courts and the respective county recorders office. Hamilton is also a Certified Trainer in Workers' Compensation Investigations, Accident Investigations and Evidence Photography. Hamilton is a court qualified expert in the areas of Photography, Missing Persons and Accident Reconstruction. Certified Process Server.


Trish DeVore-Gray
Partner/Investigator - Hamilton-Gray Investigations

Gray has been licensed to conduct investigations in the state of California since 1997. Her background in database searches and personnel for the US Military, workers' compensation training and claims experience in the 1990's, and her experience teaching acting has proved to be a great match for insurance investigations.

Gray has specialized in insurance and employment investigations since 1997. Her expertise is interviewing witnesses, the insured and claimants regarding workers' compensation (AOE/COE, Subrogation, Serious & Willful and Catastrophic), General Liability / Slip & Fall / Automobile Theft & Accidents. She has built and supervised both surveillance and AOE/COE teams, and has staffed large events and companies in the biotechnology, pharmaceutical and Private Investigation industries.

Hamilton-Gray Investigations has over 25 years of experience in a multitude of investigations. We are fully insured with Liability Insurance, Workers' Compensation Insurance and E & O Insurance. Hamilton-Gray Investigations is a member of the BBB as an Accredited Business.



Hamilton-Gray Investigations - CA PI # 25950
760-545-4SIU (4748) - info@thesiu.com
2170 El Camino Real #102, Oceanside, CA 92054



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