Find Experts
Expert Bio
Company Logo

Primary Area of Expertise

Audio/Video Evidence

Expert Witness Profile

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, 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 has provided testimony in criminal cases, civil litigation, and arbitrations.

Education & Licenses

Nick Barreiro, BAC, AVFA, DIVRT, holds a bachelor’s degree in Communications from the University of California at Davis.  He is a certified Audio Video Forensic Analyst and an FBI-trained member of the Digital Imaging and Video Recovery Team. He holds an Advanced Peace Officer certification and a Robbery/Homicide Investigator certification. 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.