LASD stands for the Los Angeles County Sheriff's Department, the largest sheriff's department in the United States. It provides patrol and investigative services to unincorporated areas of Los Angeles County and to cities that contract with the department for law enforcement. Beyond traditional policing, LASD operates the county jail system, provides security for courthouses, and has specialized units dealing with air support, search and rescue, and homeland security. The department is led by the Sheriff, an elected official, and is responsible for maintaining peace and order across a vast and diverse geographical area.
