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San Bernardino Private Investigator
Hector Berrellez
1814 Commercenter W est ste: H
San Bernardino, CA 92408
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    Mayo Group

    The security risk for corporate and government business is proving to be a global threat. The Mayo Group is a global leader in Investigations and security. We provide a unique defense and investigative solution for your business and government needs. We are available with skilled professionals to travel abroad and engage ourselves to resolve your security requirements.  

    Our company is managed by Hector G. Berrellez, a retired US Department of Justice supervisor and special agent, who maintains high-level contacts with law enforcement executives and government officials in Latin America and the Caribbean Islands.

    Our team of investigators is comprised of retired United States Federal Agents, Senior Service Government Executives, Law Enforcement Agents, and Specialists who are experts in their respective fields.

    We are here to assist you with your specialized investigations such as:


    Due Diligence in Latin America and the Caribbean
    bullet Personnel Vetting
    bullet Extradition
    bullet Polygraph Testing world-wide
    bullet Specialized Forensics including Computer and Crime Scene
    bullet DNA Testing
    bullet Electronic Surveillance and Counter-Intelligence Equipment
    bullet Aerial Surveillance and Photography
    bullet Drug Investigations and Spotting
    bullet Defense Attorney Investigations
    bullet Workers Comp Investigations
    bullet Criminal Cases
    bullet Anti-Piracy
    bullet Protection Details
    bullet Vessel and Aircraft Recovery
    bullet Debt Collections
    bullet Locates

    Mayo Group

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