Unified Investigations & Sciences Inc. of Sacramento, Calif., has added Thomas Derby to its team of professional origin and cause investigators. He resides in Altadena, Calif., and will provide investigative services to clients throughout California.
Derby joins UIS following a career as a firefighter, peace officer, and training office and fire investigator with the city of Los Angeles Fire Department. He also served in the U.S. Navy and was honorably discharged. He is a member of the California Conference of Arson Investigators.
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