THE LOUISIANA CRIMINAL JUSTICE INFORMATION SYSTEM AND DISPOSITION REPORTING METHODS ARE DESCRIBED. THE VOLUME AND LOCATION OF CRIME IN LOUISIANA IS REPORTED REGARDING THE INCIDENCE OF HOMICIDE, RAPE, ROBBERY, AGGRAVATED ASSAULT, BURGLARY, LARCENY, MOTOR VEHICLE THEFT, AND TRENDS IN VIOLENT AND PROPERTY CRIMES. CRIME RATE CHANGES BY CRIME TYPE ARE NOTED IN RELATION TO PREVIOUS YEARS, AND COMPARISONS ARE MADE AMONG RATES FOR RURAL AND URBAN AREAS IN THE STATE AND WITH CRIME RATES NATIONWIDE. A SUMMARY ARREST ANALYSIS, CONTAINING TOTAL ARRESTS, INDEX ARREST, DRUG ARREST, JUVENILE ARRESTS, AND STATUS OFFENSE ARRESTS FOR 1977, IS INCLUDED. NARCOTICS AND DANGEROUS DRUG LAW VIOLATIONS AND ARRESTS ARE DISCUSSED. LOUISIANA CRIME PROJECTIONS ARE PRESENTED. REGARDING RESPONSES TO CRIME, LAW ENFORCEMENT ACTIVITY, EXPENDITURES, AND WORKLOAD ARE CONSIDERED. REPORTS ARE PRESENTED ON THE ACTIVITIES OF THE STATE DISTRICT ATTORNEYS, THE INDIGENT DEFENSE SYSTEM, THE STATE COURTS, AND THE DEPARTMENT OF CORRECTIONS, WITH ATTENTION TO ACTIVITIES IN 1977, EXPENDITURES, AND NUMBER OF PERSONS PROCESSED. DATA ON THE JUVENILE CORRECTIONS SYSTEM IS ALSO PROVIDED, ALONG WITH INFORMATION ON CRIME LABORATORIES IN THE STATE. THE APPENDIXES CONTAIN TABULAR AND STATISTICAL DATA CONCERNING TYPES OF CRIME, INCIDENCE OF CRIME, ARREST SUMMARIES, TYPES AND NUMBERS OF PERSONS SERVED IN CORRECTIONS, JUVENILE ADMISSIONS TO CORRECTIONS, AND STATE RESOURCES FOR AGENCIES OF THE CRIMINAL JUSTICE SYSTEM. (DAG)