POLICE SCIENCE TECHNICAL ABSTRACTS AND NOTES.

This article presents abstracts of several research studies on political science. The article A Model Forgery, by D. K. S. Puri characterizes forgery by slow, drawn movements, contains retouchings, pen pauses, pen-lifts, blunt terminals, right down slant, and concave alignment. The Means of Interrogation, by G. H. Hatherill gives a general discussion with suggestions on the proper conduct of an interrogation. Moreover, in the article Procedures for the Systematic Identification of Peaks in Gas-Liquid Chromatographic Analysis by R. C. Crippen and C. E. Smith, in order to determine the exact identity of a compound, suitable derivatives may be prepared and chromatographed. Auxiliary detection systems may also be used. The isolated sample may be collected and examined. In the article Criminal Road Conduct, those persons persons committing serious traffic offences need to be given greater attention. Hazardous driving may be performed by an unusually anti-social group. It is suggested that judges examine non-motoring criminal records at the time of sentencing. The article A Scientific Look at Typewriter Ribbon Inks discusses that thin layer chromatography is recommended for analysis and identification of typewriter ribbon inks.