Infrared Thermal Imaging for Use in Restoration of Defaced Serial Numbers Posted on October 28, 2022 By Becky Carter Rene Rodriguez, Lisa Lau, Ikwulono Unobe, John Kalivas, and Andrew Sorensen Idaho State Univ; 86pp; 2017 Access article Firearms and Toolmarks, Photography, Video, and Imaging Technology, Trace Evidence Tags:NIJ