Mr. Nick Barreiro, BAC, AVFA, DIVRT, AFCE
Brentwood, TN 37027
Office: 615-854-8055
Principle Forensics is a national media forensics laboratory. We work with attorneys representing plaintiffs and defendants in civil and criminal matters in which audio, video, or image evidence plays a key role. We recover, authenticate, enhance, and analyze all types of recorded evidence, and we back our work with experienced, highly trained, expert testimony. Our Chief Forensic Analyst, Nick Barreiro, BAC, AVFA, DIVRT, AFCE, is a certified Audio Video Forensic Analyst, a former Police Detective, and an FBI-trained member of the Digital Imaging and Video Recovery Team. He is an expert with tremendous technical knowledge and training, but also extensive experience on the witness stand. He has conducted hundreds of forensic audio, video, and image investigations in the United States and internationally. He has enhanced and analyzed thousands of digital files, ranging from simple slip-and-fall cases and minor traffic accidents to complex investigations such as homicides and officer-involved shootings. Nick is a court-certified expert and regularly provides testimony in civil litigation, criminal prosecutions, and appeals.
- Accident Investigation
- Audio
- Crime Scene Analysis
- Evidence Analysis & Preservation
- Photogrammetry
- Surveillance
- Video
- Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
- A: Certified Audio Video Forensic Analyst – AVFA
Electronic Technicians Association
Digital Imaging and Video Recovery Team – DIVRT
Federal Bureau of Investigation
Amped FIVE Certified Examiner – AFCE
Amped Software
Certified Robbery/Homicide Investigator
Robert Presley Institute of Criminal Investigation
Advanced Peace Officer Certification
California Commission on Peace Officer Standards and Training
Bachelor's Degree in Communications
University of California, Davis - Q: Please list your affiliations or memberships in any professional and/or industry organizations:
- A: - Electronic Technicians Association
- International Association for Identification
- Audio Engineering Society
- Digital Imaging and Video Recovery Team - Q: Please list any teaching or speaking experience you have had, including subject matter:
- A: Proactive Strategies for Multimedia Security in the Age of A.I. - Presentation to Athena Worldwide, March 2025
The Power of Audio, Video, and Image Evidence - CLE Instruction to the Tennessee Defense Lawyers Association, June 2023
Understanding Video and Audio Forensics - Presentation to the Georgia Association of Professional Private Investigators, November 2022
Why Security Camera Footage Still Sucks - Cheddar Explains - Interview with Cheddar News, August 2022
Stop posting pictures with your clients - Interview with Athena Worldwide, March 2022 - Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
- A: No
- Q: On how many occasions have you been retained as an expert?
- A: 300+
- Q: In what percentage of your cases were you retained by the plaintiff?
- A: 50%
- Q: In what percentage of your cases were you retained by the defendant?
- A: 50%
- Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
- A: Video, Audio, and Image Forensics
• Expert testimony
• Authentication of Recorded Evidence
• Enhancement of Video, Audio, and Images
• Synchronization of Multiple Audio/Video Recordings
• Analysis of Recorded Evidence
• Redaction of Video Footage
• DVR Video Evidence Recovery
• Recording Device Analysis
• Photogrammetry
• Facial Recognition
• License Plate Recognition
• Public/Media Release
• Court Exhibit Preparation
• Consulting
Available on request.