Marc A. Garza, P.I. TSCM

President & CEO of GRI Investigative Group, Inc.

Background and Experience:

Marc is a licensed private investigator and a retired police sergeant with over two decades of extensive law enforcement experience. Throughout his police career, he held a variety of roles, including patrol officer, field training officer (FTO), firearms instructor, SWAT officer, and police supervisor. He has investigated and provided expert testimony in both civil and felony-level criminal cases. Marc  leverages his comprehensive law enforcement background to deliver meticulous, results-driven private investigations. His expertise in investigative techniques ensures actionable and effective outcomes for our clients.

In  his spare time, Marc is actively involved in assisting The Innocence Center as a staff investigator. In this role, he provides invaluable legal support in post-conviction cases, particularly those involving homicides and gang violence. Marc’s work focuses on investigating wrongful convictions, and helping to exonerate individuals who have been wrongfully incarcerated. He collaborates closely with staff attorneys to review evidence, uncover new leads, and challenge legal errors, ultimately advocating for the release of innocent individuals. Marc’s commitment to justice and his meticulous approach to uncovering the truth are essential in the ongoing fight against wrongful convictions and in safeguarding the rights of the wrongfully imprisoned who are factually innocent.

   Investigative Capabilities:

• Civil  & Litigation Investigations
• Personal Injury Investigations
• Family Law Investigations
• Criminal Defense Investigations
• Background Investigations
• Person Searches & Locates
• Corporate & Business Issues
• TSCM Bug Sweeps/Inspections
• Wrongful Death Investigations