THE MEASURES OF COST BENEFIT UTILIZED TO ASSIST IN MAKING THESE JUDGMENTS WERE THE COST PER PERSON PROTECTED AND THE COST PER TIMELY ARRIVAL OF LAW ENFORCEMENTS AGENTS AT THE CRIME SCENE BEFORE THE ESCAPE OF THE PERPETRATOR OF A VIOLENT CRIME. THE ANALYSIS INVESTIGATES THE RELATIONSHIP BETWEEN THESE MEASURES AND FACTORS RELATING TO COMPONENT COST, USER ACCEPTANCE, THE DEMOGRAPHIC CHARACTERISTICS, CRIME RATE, AND POLICE SERVICES IN THE AREA PROTECTED, THE COSTING POLICIES REGARDING PRIVATE OR PUBLIC LAW ENFORCEMENT AGENCY SUPPORT, THE DETAILED TYPES OF ENVIRONMENTS PROTECTED (IN TERMS OF WHETHER RESIDENCES, PUBLIC AREAS, OR OTHER LOCATIONS ARE PROTECTED), AND THE PERFORMANCE AND NUMBERS OF THE LOCATION DEVICES UTILIZED. FOR THE DEVELOPMENT TASK CLOSE-OUT REPORT ON THIS PROJECT, SEE NCJ-36239.