Hours of Operation: Mon - Fri 8:00am - 8:00pm

Marc A. Garza, PI. TSCM

Licensed Private Investigator • CA. PI #28059


Background and Experience:

Marc is the agency owner and a retired police sergeant. He has over 30 years of combined experience in law enforcement, private investigations, and counter measures ("TSCM"). His background deeply rooted in criminal justice and having served in various capacities within law enforcement, gives him a unique insight on the intricacies of the legal system and investigations. This insight, coupled with a meticulous attention to detail, allows him to conduct complex civil litigation investigations in the private sector and criminal defense investigations in cases where defendants are charged with serious felony level crimes such as homicide, gang related crimes, assaults with firearms and other crimes of violence.


Marc and his team works tirelessly to uncover evidence, locate witnesses, interview witnesses, review discovery and scrutinize every detail to assist legal counsel in building a robust criminal defense or civil litigation strategy. He understands the critical importance of thorough investigations in ensuring fair trials and positive client outcomes in court.  From gathering evidence to conducting surveillance, he is a trusted investigator for individuals and legal professionals seeking reliable and competent investigative services.


Investigative Expertise:

  • Background Investigations; Due Diligence Investigations; Person Locate Investigations
  • Civil Litigation Investigations (Corporate Fraud, Personal Injury, Traffic Collisions)
  • Family Law Investigations (Divorce, Child Welfare, Cohabitation, Court Order Violations)
  • Criminal Defense Investigations  (Homicide, Gang Related Crimes, ADW w Firearms)
  • Firearms Expert; CA POST Certified Firearms Instructor in the AR-15, Shotgun & Handgun
  • Technical Surveillance Counter Measures ("TSCM Bug Sweeps") 


Professional Affiliations:

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