A forensic science specialist with more than 40 years of experience, he brings deep expertise across criminalistics disciplines, including firearm and toolmark examination, trace evidence analysis, bloodstain pattern interpretation, and complex crime scene reconstruction. His work integrates laboratory analysis with field investigation, including shooting incident reconstruction, trajectory analysis, gunshot residue evaluation, and impression evidence such as footwear and tire tread. Supported by a formal background in chemistry, he has applied scientific methodologies to the interpretation of physical evidence in violent crime and forensic investigations.

Throughout his career, he has held senior roles in public forensic laboratories, including positions as a supervising criminalist for a state-level agency and assistant laboratory director for a large metropolitan law enforcement laboratory. His responsibilities have included oversight of forensic operations, technical review of casework, and participation in laboratory accreditation and standards development processes. In addition to his laboratory work, he has conducted and directed forensic examinations involving firearms identification, trace materials, controlled substances, and reconstruction of complex crime scenes.

Beyond casework, he has made substantial contributions to forensic education and professional training, serving as a lecturer and criminalistics program coordinator at the university level while delivering specialized instruction to law enforcement agencies on shooting reconstruction, bloodstain analysis, and crime scene investigation. He has authored peer-reviewed publications, technical papers, and books focused on firearm examination and shooting reconstruction. His experience also includes expert witness and consulting work involving forensic evidence interpretation and reconstruction of criminal incidents.