The Los Angeles Fire Department provides firefighting services as well as technical rescue services, hazardous materials services and emergency medical services to the citizens of the city of Los Angeles, California, United States. The LAFD is responsible for approximately four million people who live in the agency's 471 square miles (1,220 km2) jurisdiction. The Los Angeles Fire Department was founded in 1886 and is the third largest municipal fire department in the United States, after the New York City Fire Department and the Chicago Fire Department. The department is sometimes also referred to as the Los Angeles City Fire Department or "LA City Fire" to distinguish it from the Los Angeles County Fire Department, which serves unincorporated areas and, via contracts, other incorporated municipalities within Los Angeles County without their own fire departments. The department is currently under the command of Chief Kristin Crowley.
Paul K. Tanaka is an American convicted felon, former politician, and former law enforcement officer who served with the Los Angeles County Sheriff's Department until his conviction in 2016. He was convicted April 4, 2016, in Federal Court of conspiracy to obstruct justice and obstruction of justice. Tanaka served as Undersheriff of Los Angeles County from 2011 to 2013. He was also mayor of the City of Gardena, California. His tenure has provoked controversy due to allegations of violence, corruption, and alleged membership in the Lynwood Vikings, a deputy gang, which was described as a "neo-Nazi, white supremacist gang" by a federal judge.
The Orange County Sheriff's Department (OCSD) is the law enforcement agency serving Orange County, California. It currently serves the unincorporated areas of Orange County and thirteen contract cities in the county: Aliso Viejo, Dana Point, Laguna Hills, Laguna Niguel, Laguna Woods, Lake Forest, Mission Viejo, Rancho Santa Margarita, San Clemente, San Juan Capistrano, Stanton, Villa Park, and Yorba Linda.
The Los Angeles County Office of Public Safety (LACOPS), less formally known as the Los Angeles County Police, was a security police agency for the County of Los Angeles. It was formed in 1998 by consolidating three Los Angeles County law enforcement agencies: the Department of Parks and Recreation Park Police, which was formed in 1969 as Los Angeles County Park Patrol, and the Department of Health Services and Internal Services Department’s Safety Police. OPS was the fourth-largest law enforcement agency in Los Angeles County, which employed 579 sworn peace officers and 140 civilian personnel, and utilized over 800 contract security guards. The agency had an annual budget of $100 million in 2009. OPS was initially a division of the Los Angeles County Department of Human Resources but was placed under the umbrella of the newly created Public Safety branch of the Chief Executive Office in 2007.
Leroy David Baca is a former American law enforcement officer and convicted felon who served as the 30th Sheriff of Los Angeles County, California from 1998 to 2014. In 2017, he was convicted of felony obstruction of justice and lying to the FBI.
The Los Angeles Airport Police is the airport police division of Los Angeles World Airports (LAWA), the city department that owns and operates two airports in Los Angeles: Los Angeles International Airport and Van Nuys Airport. It has more than 1,100 officers, security, and staff. Though it works very closely with the Los Angeles Police Department (LAPD), LAXPD is a separate entity, primarily due to the airport police having specialized training and funding resources.
Susan L. Rahr is an American law enforcement officer who served as the Sheriff of King County, Washington from 2005 to 2012. Rahr was appointed Interim Police Chief of the Seattle Police Department by Seattle Mayor Bruce Harrell on May 30, 2024. Rahr is not seeking the permanent position but will assist in the national search for the next chief of police.
The King County Sheriff's Office (KCSO) is a local law enforcement agency in King County, Washington, United States. It is the primary law enforcement agency for all unincorporated areas of King County, as well as 12 cities and two transit agencies which contract their police services to the KCSO. KCSO also provides police and fire Aircraft Rescue and Fire Fighting to the King County International Airport. KCSO also provides regional-level support services to other local law enforcement agencies such as air support and search and rescue. The department has over 1,000 employees and serves 2.1 million citizens, over 500,000 of whom live in either unincorporated areas or the 12 contract cities.
Sherman Block was the 29th Sheriff of Los Angeles County, California from January 1982 until his death. He was preceded by Peter Pitchess and succeeded by Lee Baca.
The San Bernardino County Sheriff-Coroner's Department (SBSD) serves San Bernardino County, California, which is geographically the largest county in the continental United States and is headquartered in San Bernardino. SBSD provides law enforcement services to the unincorporated areas of the county and contract law enforcement services to 14 of the county's cities, including Rancho Cucamonga and Chino Hills, serving a total of 1,029,466 of the county's 2 million residents. The department also operates the county jail system, provides marshal services for the county superior courts, and has other specialized divisions to serve the citizens of San Bernardino County.
The History of the Los Angeles County Sheriff's Department began with its founding in 1850 as the first professional police force in the Los Angeles area.
Eugene W. Biscailuz was an American police officer. He organized the California Highway Patrol, and later became the 27th Sheriff of Los Angeles County, California, serving in that capacity for 26 years, from 1932 to 1958.
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. 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. LASD has approximately 18,000 employees, 9,915 sworn deputies and 9,244 unsworn members. It is sometimes confused with the unrelated Los Angeles Police Department which provides law enforcement services within the city of Los Angeles, which is the county seat of Los Angeles County, although both departments have their headquarters in downtown Los Angeles.
The United States police-rank model is generally quasi-military in structure. A uniform system of insignia based on that of the US Army and Marine Corps is used to help identify an officer's seniority.
Charles Lloyd Beck is a retired police officer, formerly serving as the Chief of the Los Angeles Police Department (LAPD) and subsequently as the Superintendent of the Chicago Police Department. A veteran of the department with over four decades as an officer, he is known for commanding and rehabilitating the Rampart Division after the Rampart scandal; and for technology enhancements during his time as Chief of Detectives. He agreed to be interim Superintendent of Police in Chicago in late 2019 while the city searches nationwide for a replacement for retiring Eddie Johnson. Beck took the helm of the Chicago Police Department on December 2, 2019 after Johnson was fired. On April 15, 2020, Beck stepped down and was replaced by former Dallas Police Department Chief David Brown, who had been nominated by Lightfoot to serve as permanent Superintendent. After his retirement he rejoined the Reserve Corps as a Reserve Police Officer and is assigned to the Office Of The Chief Of Police.
James McDonnell is the former sheriff of Los Angeles County. McDonnell was elected as L.A. County's 32nd sheriff on November 4, 2014, defeating former Undersheriff Paul Tanaka. He replaced interim sheriff John Scott on December 1, 2014. Scott replaced former sheriff Lee Baca. Previously, McDonnell served as the Chief of Police in Long Beach, California and before that in the Los Angeles Police Department. McDonnell was defeated in 2018 by Alex Villanueva.
The Milwaukee County Sheriff's Office is the principal law enforcement agency that serves Milwaukee County, Wisconsin. It provides law enforcement services for the county's freeways and outlying lettered County Trunk Highways, the Milwaukee County Courthouse, the Milwaukee County Criminal Justice Facility and House of Corrections, the county-owned Milwaukee Mitchell International Airport, and the Milwaukee County Parks system, including all of the Milwaukee County lakefront, along with the county's few unincorporated sections.
Alejandro Villanueva is an American law enforcement officer who served as the 33rd sheriff of Los Angeles County, California from 2018 until 2022. He defeated incumbent sheriff Jim McDonnell in the 2018 L.A. County Sheriff's race, making him the first to unseat an incumbent in over 100 years. Before becoming Sheriff, he was a lieutenant with the Los Angeles County Sheriff's Department.
Robert Brian Norris is the 13th Sheriff of Kootenai County, Idaho. He defeated the Independent candidate for sheriff, Mike Bauer, in the 2020 Kootenai County Sheriff race, making him the first Kootenai County Sheriff-elect to not have any prior connection with the Kootenai County Sheriff's Office. Before becoming Sheriff, he was a lieutenant with the Los Angeles County Sheriff's Department.
Since the 1970's, several deputies of the Los Angeles County Sheriff's Department have formed gangs in which membership is exclusive to certain deputies, often along ethnic lines, and requires certain acts, such as police violence, in order to be initiated into said gang. Members are often tattooed and are expected to maintain the blue wall of silence, fabricate evidence, engage in police corruption, and engage in criminal activity such as vandalism and homicide, among other things. Historically, almost all instances of deputy gang violence has either been ignored by the Los Angeles County District Attorney's Office or the office has stood by the members of the deputy gangs, alongside the tolerance or assistance of the county sheriff. Although not unique to the Los Angeles County Sheriff's Department, it suffers from the most prolific case of the existence of law enforcement gangs in the state.
United States
County of Los Angeles 
Los Angeles County Sheriff's Department 