Expert witness
Tom Darnell
Fingerprint-analysis expert who processed submitted firearms, ammunition, and phone evidence in the laboratory.
Appeared2023 Murder Trial
96 lines·4 appearances
About
Qualified without objection as a fingerprint-analysis expert, Darnell explained the laboratory processing of submitted firearms, ammunition, and a phone, along with the limits of the resulting latent-print findings. Cross-examination and redirect distinguished his laboratory work from scene processing and clarified why contact may not produce an identifiable print.