REJIS provides data processing services and online information systems for police and sheriffs' departments, prosecutors, courts, correctional institutions, and probation and parole agencies at the Federal, State, county, and local levels. The geographical area served includes the City of St. Louis, 92 incorporated communities in St. Louis County, other communities in three adjacent Missouri counties, and four counties in Illinois. REJIS is connected to computers operated by the Missouri Department of Revenue, the Missouri Uniform Law Enforcement System, the FBI National Crime Information Center, and the National Law Enforcement Telecommunications System. The online files enable each user to enter or update records in the system via individual video terminals. Through its interfaces with other law enforcement systems, REJIS provides a nationwide data base available through the user's REJIS terminal. The online services include information on stolen, wanted, or towed vehicles; adult arrests; field interview reports; wanted or missing persons; local criminal history; municipal police management; business file; personnel; National Crime Information Center inquiries; the Juvenile Uniform Referral and Information System; the REJIS Corrections System; the Total Court Information System; and municipal court systems.