Effect of muzzle gas on forward blood spatter from a gunshot: Experiments with a supersonic de Laval nozzle Posted on September 13, 2023September 13, 2023 By sdargoltz Jungwoo Huh, Seongdong Kim, Boo-Hyoung Bang, Ali Aldalbahi, Mostafizur Rahaman, Alexander L. Yarin, Sam S. Yoon Physics Fluids; 35; 2023 Access article Bloodstain Pattern Analysis, Crime Scene Investigation and Reconstruction, Firearms and Toolmarks, Photography, Video, and Imaging Technology, Trace Evidence