In 1995, to determine the nature of law enforcement services provided on campus, the Bureau of Justice Statistics surveyed 4-year institutions of higher education in the United States with 2,500 or more students. Describes nearly 600 of these campus law enforcement agencies in terms of their personnel, expenditures and pay, operations, equipment, computers and information systems, policies, and special programs. Based on the Law Enforcement Management and Administrative Statistics program, which collected similar data from a national sample of state and local law enforcement agencies. Follow-ups were conducted in 2004/2005 and 2011/2012.