Site logo
Description

Principle Forensics is a national media forensics laboratory. We recover, authenticate, enhance, and analyze all types of recorded evidence, including video, audio, and digital images. And we back all our work with experienced, highly trained, expert testimony. Nick Barreiro, BAC, AVFA, DIVRT, is a certified Audio Video Forensic Analyst and the founder of Principle Forensics.  He is an FBI-trained member of the Digital Imaging and Video Recovery Team.  Mr. Barreiro works with attorneys representing plaintiffs and defendants in civil or criminal matters in which audio, video, or image evidence plays a key role.  He has extensive experience on the witness stand and has enhanced and analyzed digital media from simple slip-and-fall cases and minor traffic accidents to complex investigations such as homicides and officer-involved shootings.  He has testified 100s of times in criminal cases, civil cases, arbitrations, and depositions. Mr. Barreiro holds a bachelor’s degree in Communications from the University of California at Davis.  He has received advanced training from the Federal Bureau of Investigation, the Robert Presley Institute of Criminal Investigation, the California Department of Justice, the Central California Intelligence Center, the Department of Homeland Security, Resolution Video, and the University of Colorado Denver.  He is an active member of the International Association for Identification, Audio Engineering Society, and Electronics Technicians Association International. 

State(s) licensure(s):
Closed
Open hours today: 9:00 AM - 5:00 PM
  • Monday

    9:00 AM - 5:00 PM

  • Tuesday

    9:00 AM - 5:00 PM

  • Wednesday

    9:00 AM - 5:00 PM

  • Thursday

    9:00 AM - 5:00 PM

  • Friday

    9:00 AM - 5:00 PM

  • Saturday

    Closed

  • Sunday

    Closed

  • April 15, 2026 4:03 AM local time

Contact Expert Now
Overview
  • Education
    Certified Audio Video Forensic Analyst, Electronic Technicians Association; Certificate - National Center for Media Forensics, University of Colorado, Denver; Police Academy, Yuba College Administration of Justice; Bachelor's in Communications, University of California, Davis
  • Years in Practice
    10 to 20 years
  • Tags
    Civil Litigation, Criminal Litigation, Death investigation, Forensic Expert, Remote consultation, Virtual evaluation, Willing to travel, Workers compensation
  • Number of Times Deposed/Testified in Last 5 Years
    50 to 100 depositions/testimonies

The ExpertGo© expert witness directory, accessible at Expertgo.net (referred to as the “Website”), is offered as a free service to the legal community. Prior to using this Website, please take note of the following:

All information provided on the Website is presented “as is” and should not be considered as legal advice. While ExpertGo has made reasonable efforts to collect, prepare, and present the information contained on this Website, ExpertGo makes no explicit or implicit warranty or representation concerning the accuracy, completeness, adequacy, fitness for a specific purpose, or currency of the information found on this Website.

The expert information available on this Website is typically supplied directly by the respective experts, often in exchange for a fee paid by the expert to ExpertGo or sourced from publicly available resources.

ExpertGo has not independently verified the background, qualifications, experience, or business practices of any experts listed on this Website. Additionally, ExpertGo does not endorse, recommend, or refer any expert listed on this Website for your use and does not make any assertions regarding an expert’s competency.

ExpertGo explicitly disclaims any and all responsibility for the information displayed on the Website.

You are solely responsible for independently verifying the background, qualifications, experience, and suitability of any expert found on this Website for your specific needs.

Furthermore, by posting your information on the Website, you acknowledge that you may receive communications from any member of the public accessing the Website, for any purpose, and ExpertGo does not monitor or control such communications.

Therefore, by uploading, downloading, viewing, and/or utilizing any information found on this Website, you agree to assume full responsibility for your own actions and any resulting damages or liabilities arising from the information obtained from or in connection with this Website.