With more than 30 years of forensic investigation experience, this expert witness specializes in forensic firearms and ballistics, with additional experience in forensic serology, toxicology, and crime scene investigation. More than 25 years of expert witness experience includes consultations, deposition testimony, and courtroom testimony. Firearms expertise encompasses bullet and cartridge case identification, bullet path analysis, shooting reconstruction, distance determination, firearm functionality and operability, serial number restoration, type and caliber determination, and examination of ballistic evidence. The expert has been qualified in court in forensic firearms analysis, forensic serology, and crime scene investigation.

Laboratory and investigative experience includes analysis of blood and urine specimens for controlled substances using radioimmunoassay techniques, together with forensic serology examination of sexual assault evidence for sperm and semen, ABO blood typing, polymorphic isozyme typing, and evaluation of evidence for DNA analysis. Crime scene work has involved coordinating the collection, preservation, documentation, and scientific analysis of physical evidence at shooting scenes. Specialized training includes shooting reconstruction, crime scene investigation, bloodstain analysis, forensic microscopy, wound pathology, serial number restoration, firearms examination, ballistic information systems, and evidence procedures.

Educational attainment includes a Bachelor of Arts in Microbiology. Professional responsibilities have included independent firearms and ballistics examination for civil and criminal matters, consultation regarding officer-involved shootings, and service on a superior court expert witness panel for ballistics matters. Earlier leadership included directing a forensic firearms unit and developing its firearms examination program. Professional involvement includes membership in the Association of Firearm and Tool Mark Examiners, while instructional experience has included teaching detectives and students in evidence collection, forensic science, firearms-related analysis, administration of justice, and criminal investigation practices.