THE FIRST SECTION INTRODUCES THE BOMB RISK SITUATION AS IT EXISTS IN SOCIETY TODAY, AND PROVIDES ESSENTIAL DATA AND PROVIDES ESSENTIAL DATA ON PERPETRATORS OF THREAT CALLS AND THEIR MOTIVATIONS. IT IS FOLLOWED BY A COMPREHENSIVE GUIDE TO PREVENTIVE SECURITY SYSTEMS, THE ESSENTIAL BASIS OF AN ANTI-BOMB THREAT PROGRAM. SUCCEEDING CHAPTERS COVER THE RECOGNITION OF HAZARDOUS DEVICES AND STEPS TO MINIMIZE DEVICE ACTIVATION RISKS; TELEPHONE OPERATORS' REPORTING PROCEDURES, A BASIC SECURITY REPONSE PLAN, INCLUDING THE KEY ELEMENT OF EVACUATION METHODS AND EVALUATION AND SEARCH PROCEDURES; AND THE SPECIAL PROBLEMS OF LETTER BOMBS. A STEP-BY-STEP EMERGENCY RESPONSE CHECK LIST IS INCORPORATED, WHICH MAY BE USED FOR TACTICAL OPERATION EXERCISES. APPENDED MATERIALS INCLUDE A DRAMATIZED BOMB THREAT SECURITY RESPONSE PROGRAM AND DISCUSSIONS ON THE OPERATIONS OF X-RAY INSPECTION EQUIPMENT, THE POLICE RESPONSE PROCEDURE FOR BOMB THREATS, AND THE DETECTION AND DESTRUCTION OF BOOBY TRAPS, MINES, AND IMPROVISED EXPLOSIVE DEVICES. A SUBJECT INDEX IS INCLUDED. (AUTHOR ABSTRACT MODIFIED) (SNI ABSTRACT)