Validity of forensic cartridge-case comparisons Posted on June 7, 2023 By sdargoltz Max Guylla, Stephanie Madon, Yueran Yang, Kayla A. Burd, and Gary Wells PNAS; 120(20); 2023 Access article Chemistry, Crime Scene Investigation and Reconstruction, Firearms and Toolmarks, Photography, Video, and Imaging Technology, Trace Evidence