Bill has over 35 years of experience in the field of latent print identification. Bill
testified at the second Federal Daubert hearing on fingerprint evidence in Anthony Golden
v. County of Los Angeles, et. al., US District Court for the Central District of California, Case #CV 97-6140 (1999)
and has consulted on other Daubert challenges.
He provided testimony in California Courts
rebutting the testimony of Law Professor James Starrs in Orange County Superior Court, and Professor Simon Cole in Los
Angeles Superior Courts.
Bill has experience in the examination and detection of falsified latent print evidence
and has testified twice to his findings during trials. He has also lectured and written technical papers on the
cases that he has investigated.
Bill is known as an expert in the area of the scientific and historical foundation
of friction ridge identification. This expertise was developed while teaching college courses on the subject for
the last twenty plus years.
He has appeared as an expert witness on fingerprint identification over five
hundred times in California State and Federal Courts.
Consulting Services Available:
examination, including prints recorded on documents, such as notary journals.
of latent print evidence to determine evidence tampering or falsification.
and analysis of crime scene investigation reports and evidence.
witness testimony to support the admissibility of fingerprint evidence during Daubert and other evidence hearings.
Bill will go anywhere,
anytime (well almost anytime) to provide expert witness testimony supporting fingerprint evidence in Daubert, Frye, or other
evidence hearings. Prosecutors and other attorneys facing challenges to fingerprint evidence, please contact
Bill for a free consultation on how to respond to these actions.