The San Francisco Police Department is a law enforcement agency that preserves peace and order, prevents and detects crime, apprehends law offenders, and protects residents lives and property. It has a communication center that provides emergency and nonemergency information and communication services to various local, state and federal agencies. The San Francisco Police Department also operates a citizens police academy that organizes a variety of community, youth and neighborhood watch programs. Located in San Francisco, the department maintains administration, airport, field operations and investigation bureaus. It has several specialized units, including graffiti abatement, missing persons, special investigations, and vicious and dangerous animals. The San Francisco Police Department undertakes a range of cases related to property crimes, such as burglary, fencing, lost and found, financial elder abuse, fraud, hit and run and neighborhood investigation.