Historic Value of Palm Prints and Method of Taking, FBI Law Enforcement Bulletin (1940) Value of Palm Prints and Method of Taking, FBI Law Enforcement Bulletin (1940) Trapping Criminals By Their Own Blood, Johnson, Detroit Evening News (1943) Trapping Criminals By Their Own Blood, Johnson, Detroit Evening News (1943) A new apparatus to detect alcoholic influence – “The Breathalyzer” (1958) A new apparatus to detect alcoholic influence – “The Breathalyzer” (1958) Glass Fragments as Evidence: A Comparative Study of Physical Properties (1943) Glass Fragments as Evidence: A Comparative Study of Physical Properties (1943) Note on the Determination by Distillation of Volatile Constituents in Blood, with Special Reference to the Estimation of Alcohol (1924) Note on the Determination by Distillation of Volatile Constituents in Blood, with Special Reference to the Estimation of Alcohol (1924) Electron-Tube Rifling Depth Micrometer: For the Measurement of Individual Depth of Groove Impressions on Fired Bullets (1937) Electron-Tube Rifling Depth Micrometer: For the Measurement of Individual Depth of Groove Impressions on Fired Bullets (1937) The Camera as Witness and Detective (1923) The Camera as Witness and Detective (1923) Collecting, preserving and identifying physical evidence (1940) Collecting, preserving and identifying physical evidence (1940) Proof of Finger-Prints (1935) Proof of Finger-Prints (1935)