Investigations

Barbier Security Group’s Investigations Division is led by Harry Barbier, Vice President of BSG and a highly decorated, respected retired police officer in Marin County. With a 35-year career at the San Rafael Police Department, Harry brings unmatched expertise to every investigation. His background includes service as a Field Training Officer, Crime Scene Investigator, Hostage Negotiator, Cold Case Homicide Investigator and School Resource Officer, providing a foundation of real-world experience that guides our investigative work today.

Led by Proven Experience

Harry’s leadership ensures that every case is approached with professionalism, discretion, and attention to detail. BSG’s investigative team supports corporations, property managers, attorneys, and private clients throughout Marin and the greater Bay Area, delivering timely and actionable results.

Investigation Services

Residency Verification
Confirming legitimate residency, occupancy, and claims through direct verification and documented evidence.

Background Checks
Comprehensive screenings for employment, tenancy, vendor partners, or internal investigations.

Hostile Terminations
Pre-termination assessments, on-site support, and real-time monitoring to ensure a safe and controlled separation.

Crime Scene & Forensic Support
Scene documentation, evidence review, and forensic coordination to support internal investigations or legal teams.

Threat Assessment
Evaluation of potential risks, behavioral indicators, or workplace violence concerns with mitigation recommendations.

Surveillance Operations

Covert surveillance, activity checks, and video or photo documentation to support claims, internal matters, or legal actions.

Video / Photo Evidence Collection
High-quality digital evidence captured, packaged, and reported in a clear and legally defensible manner.

And More…


Custom investigative solutions developed to fit unique operational, corporate, or personal needs.

Why Clients Trust BSG Investigations

  • Led by a proven law enforcement professional

  • Discreet, objective, and confidential

  • Fast response for urgent or sensitive matters

  • Clear, organized, and actionable report writing

  • Full alignment with California privacy and labor laws

  • Ability to work seamlessly with HR, legal counsel, or executive leadership

Tailored Investigative Support

Every investigation is different. BSG works closely with clients to determine scope, gather essential facts, and deliver a structured approach that produces reliable results while minimizing disruption to daily operations.