The Mercer Island City Police Department offers a variety of security services. It has various divisions that include public safety, police operations and administrative services. The department provides various services, such as community policing, customer care and work place management. It offers several other services, including routine patrol, enforcement of criminal and traffic laws, follow-up investigations of criminal cases and bicycle patrol of the Central Business District and I-90 Right of Way. It provides various specialized programs that include marine patrol, community-oriented policing and emergency management programs. The department also offers other services, such as collection and documentation of criminal evidences. It additionally provides security against homicides, rapes, explosive devices, home invasions and vehicle accidents. The police department is located in Mercer Island, Wash.