The San Diego Police Department is responsible for providing crime prevention and law enforcement services. The department includes the support, investigative and departmental services divisions. Its special services division consists of homeland security, professional compliance and public corruption investigations bureaus. The San Diego Police Department s support services division is responsible for providing fiscal administration, fleet management, communication, personnel management and information technology services. The department additionally offers substance abuse prevention and safety promotion to students in various public schools. It also maintains crime and computer forensic laboratories. The San Diego Police Department conducts employee background and vacation watch home checks.