New methods of criminal investigation: Poroscopy and Graphometry (1921) Posted on October 4, 2022October 18, 2022 By Becky Carter G. Frederic Lees Discover; 2(22); 1921 New methods of criminal investigation: Poroscopy and Graphometry 1 file(s) 4.19 MB Download Biometrics, Crime Scene Investigation and Reconstruction, Fingerprints / Friction Ridge, Historical, Photography, Video, and Imaging Technology, Questioned Documents