AN UPDATED AND REVISED SECOND EDITION OF THE TRAINING MANUAL ON ILLICIT DRUG TRAFFIC FOR LAW ENFORCEMENT OFFICERS PUBLISHED BY THE INTERNATIONAL CRIMINAL POLICE ORGANIZATION, THIS 1978 HANDBOOK IS INTENDED FOR INSTRUCTORS TRAINING POLICE OFFICERS AT DIFFERENT LEVELS, INCLUDING UNIFORMED POLICE PATROLMEN AND THEIR SUPERVISORS (THE LATTER BEING ON THE FRONT LINE OF THE FIGHT AGAINST DRUG CRIMES). THE APPROACH IS PRACTICAL, RATHER THAN THEORETICAL, OR MEDICO-PHARMACEUTICAL. EACH CHAPTER IS A LESSON OUTLINE STRUCTURED AROUND ONE BASIC QUESTION (E.G., WHAT IS MEANT BY THE WORK DRUG? WHY DO CERTAIN PEOPLE INDULGE IN DRUG ABUSE?) OR AROUND ONE CENTRAL TOPIC (E.G., DRUG ABUSE BY YOUNG PEOPLE, ILLICIT DRUG TRAFFIC). OTHER LESSON TOPICS INCLUDE THE LEGAL BASIS FOR POLICE INVESTIGATIONS (POLICE DISCRETION AND POWERS, SEARCH AND SEIZURE RULES, ADMISSIBILITY OF EVIDENCE); PRELIMINARY PRACTICAL GUIDELINES OF POLICE INVESTIGATIONS (E.G., INITIAL DRUG IDENTIFICATION, SIGNIFICANT TRENDS IN THE DRUG MARKET, DRUG TRANSPORT AND CONCEALMENT METHODS, CLANDESTINE DRUG LABORATORIES AND THEIR PRODUCTS, DRUG USER DETECTION). ALSO COVERED ARE NATIONAL AND INTERNATIONAL DRUG INFORMATION SOURCES; POLICE INVESTIGATION TECHNIQUES AND EQUIPMENT (E.G., ELECTRONIC SURVEILLANCE, POLICE LABORATORIES); HOW TO WRITE INVESTIGATION REPORTS ON DRUG CASES; AND NATIONAL DRUG LAW ENFORCEMENT AGENCIES. INTERPOL'S AIMS, STRUCTURE, AND ROLE IN INTERNATIONAL DRUG CONTROL ARE EXPLAINED AND DOCUMENTS ISSUED BY THE UNITED NATIONS AND BY OTHER INTERNATIONAL ORGANIZATIONS ON DRUG TRAFFICKING AND ABUSE (E.G., INTERNATIONAL CONVENTIONS, DRUG ABUSE DOCUMENTS, AND DRUG TRAFFICKING REPORTS) ARE DISCUSSED. TWO APPENDIXES LIST REFERENCE MATERIALS AND THEIR SOURCES. A SUBJECT INDEX IS APPENDED.