Los Angeles County Sheriff's Department
The Los Angeles County Sheriff's Department (LASD), officially the County of Los Angeles Sheriff's Department, is a law enforcement agency serving Los Angeles County, California. The LASD is the largest sheriff's department in the United States and the third largest local police agency in the United States, following the New York Police Department, and the Chicago Police Department.
Source: Wikipedia — Los Angeles County Sheriff's Department (CC BY-SA 4.0)