U. S. Army Technical Manuals Secret Army investigation procedures. A reprint of six US Army Technical manuals bound in one convenient volume. Included are, 1. Polygraph Examinations 2. Fingerprinting 3. Casts and Molds 4. Techniques of Surveillance 5. Crimes involving Poisons 6. Investigations of Assault Homicides and Suicides. This manual is full of shocking information. 8.5 x 11, softcover, 92 pages.