ABOUT US  "Leadership and experience that matters".


"I am honored to be regarded as an investigative resource for my clients. I know first-hand the level of expertise and care that's required to conduct concise legal investigations. I value my client's time, investment , and trust in me by providing transparent investigations so they can make critical legal, and business decisions with confidence. Our extensive investigative capabilities, and reputation make us uniquely qualified to assist. My team and I look forward to establishing new business relationships, and working closely with you to meet your investigative objectives ." 


Mr. Garza is the owner and founder of GRI Investigations. His agency focuses on complex legal and civil litigation investigations for law firms, corporate legal counsel, and insurance companies. In addition to conducting comprehensive investigations, he has testified in court proceedings on investigative issues in both civil and criminal cases. Previously, he served over 20 years as a law enforcement officer in Southern California, retiring at the rank of police sergeant. He draws on that experience to offer his clients actionable private sector investigations through all phases of litigation in state and federal courts. He is licensed by the California Bureau of Security & Investigative Services  ("BSIS") under Private Investigator License #28059 & Specialized Licenses: #2591, #2651888 & #6465645. 


  • Member of the San Diego County Bar Association ("SDCBA")
  • Member of the California Association of Licensed Investigators ("CALI")
  • Member of the California Defense Investigators Association ("CDIA")
  • Member of the Professional Investigators of California ("PICA")