Vapor Signatures of Double-Base Smokeless Powders and Gunshot Residues for Supporting Canine Odor Imprinting Posted on July 1, 2022July 7, 2022 By sdargoltz a-Hsuan Ong, James Ljunggren, Ted Mendum, Geoff Geurtsen, and Roderick Russell Kunz ACS Omega; 2022 Access article Crime Scene Investigation and Reconstruction, Dogs and Sensors, Firearms and Toolmarks, Trace Evidence