The United States Park Police (USPP) is the oldest uniformed federal law enforcement agency in the United States. It functions as a full-service law enforcement agency with responsibilities and jurisdiction in those National Park Service areas primarily located in the Washington, D.C., San Francisco, and New York City areas and certain other government lands. United States Park Police officers have jurisdictional authority in the surrounding metropolitan areas of the three cities it primarily operates in, meaning they possess both state and federal authority. In addition to performing the normal crime prevention, investigation, and apprehension functions of an urban police force, the Park Police are responsible for policing many of the famous monuments in the United States.
The Metropolitan Police Department of the District of Columbia (MPDC), more commonly known as the Metropolitan Police Department (MPD), the DC Police, and, colloquially, the DCPD, is the primary law enforcement agency for the District of Columbia, in the United States. With approximately 3,400 officers and 600 civilian staff, it is the sixth-largest municipal police department in the United States. The department serves an area of 68 square miles (180 km2) and a population of over 700,000 people. Established on August 6, 1861, the MPD is one of the oldest police departments in the United States. The MPD headquarters is at the Henry J. Daly Building, located on Indiana Avenue in Judiciary Square across the street from the District of Columbia Court of Appeals and the Superior Court of the District of Columbia. The department's mission is to "safeguard the District of Columbia and protect its residents and visitors with the highest regard for the sanctity of human life". The MPD's regulations are compiled in title 5, chapter 1 of the District of Columbia Code.
Charles H. Ramsey is the former Commissioner of the Philadelphia Police Department. Prior to assuming that post in January 2008, he had served as Chief of the Metropolitan Police Department of the District of Columbia (MPDC) from 1998 to early 2007. In January 2017, he became a regular CNN contributor.
The United States Capitol Police (USCP) is a federal law enforcement agency in the United States with nationwide jurisdiction charged with protecting the United States Congress within the District of Columbia and throughout the United States and its territories. It answers to the Capitol Police Board and is the only full-service federal law enforcement agency appointed by the legislative branch of the federal government of the United States.
Crime in Washington, D.C., is directly related to the city's demographics, geography, and unique criminal justice system. The District's population reached a peak of 802,178 in 1950. Shortly after that, the city began losing residents, and by 1980 Washington had lost one-quarter of its population. The population loss to the suburbs also created a new demographic pattern, which divided affluent neighborhoods west of Rock Creek Park from the less well-off neighborhoods to the east.
Colleen Constance Kollar-Kotelly is an American lawyer serving as a senior United States district judge of the United States District Court for the District of Columbia and was previously presiding judge of the Foreign Intelligence Surveillance Court.
Richard Pennington served as Superintendent of the New Orleans Police Department in New Orleans, Louisiana from 1994 to 2002 and Chief of the Atlanta Police Department in Atlanta, Georgia from 2002 to 2010.
The District of Columbia Protective Services Division is a division of the Department of General Services of the District of Columbia Government. The organization is responsible for "law enforcement activities and physical security of all properties owned, leased or otherwise under the control of the Government of the District of Columbia."
The Chief of the Metropolitan Police Department of the District of Columbia, generally simply referred to as the Chief of Police, is the head of the Metropolitan Police Department of Washington, D.C. The current acting Chief of Police is Pamela A. Smith, who succeeded interim chief, Ashan Benedict.
Gail Adrienne Cobb was a Black American police officer from Washington, D.C., the first female police officer in the United States shot and killed in the line of duty. She was also the first uniformed female officer of the Metropolitan Police Department of the District of Columbia (MPDC) to have been killed in the line of duty.
The Partnership for Civil Justice Fund (PCJF) is a nonprofit progressive legal organization based in Washington, D.C. Founded by Carl Messineo and Mara Verheyden-Hilliard, the organization focuses on cases regarding free speech and dissent, domestic spying and surveillance, police misconduct, and government transparency.
On November 4, 2014, Washington, D.C., held an election for its mayor, concurrently with U.S. Senate elections in various states and U.S. House elections and various state and local elections.
Peter Newsham was the Chief of Police of the Metropolitan Police Department of the District of Columbia (MPD) from January 2017 to January 2021. He is currently Chief of the Prince William County Police Department in Virginia, having been appointed to that post in November, 2020.
The first cases relating to the COVID-19 pandemic in Washington, D.C., were reported on March 7, 2020. The city has enacted a variety of public health measures in an attempt to curb the spread of the virus, including limiting business activities, suspending non-essential work, and closing down schools.
Steven A. Sund is a retired American police officer who served as the tenth chief of the United States Capitol Police from 2019 to 2021. Sund was chief during the storming of the U.S. Capitol in January 2021, after which he resigned.
Robert J. Contee III is the former Chief of the Metropolitan Police Department of Washington, D.C., United States. He was appointed by Mayor Muriel Bowser as acting chief effective January 2, 2021, and was confirmed unanimously by the DC Council on May 4, replacing Peter Newsham. He retired from the Metropolitan Police Department on May 31, 2023.
Law enforcement mounted a response to the January 6 United States Capitol attack, initially failing to maintain security perimeters and protect parts of the building from being breached and occupied, but succeeding at protecting members of Congress, and subsequently, as reinforcements arrived, to secure the breached Capitol.
There are three reported arrests of Ulysses S. Grant by officers of the Metropolitan Police Department of the District of Columbia (MPD), all for speeding by horse. Grant, who led the Union Army to victory in the American Civil War, was widely known for his prowess as a horseman. The first two arrests were in 1866, when Grant was commanding general; the third is said to have occurred in 1872, when Grant was serving as the president of the United States. While of questionable historicity, the third is the best-known; if it did occur, this would make Grant the only U.S. president to have been arrested while in office.
Pamela A. Smith is a U.S. police chief serving as the acting chief of the Metropolitan Police Department of the District of Columbia since July 2023. She joined the MPD in 2022 as its chief equity officer. Smith was previously the United States Park Police chief of police from 2021 to 2022. She was the first African-American female to serve in the role.
United States of America
District of Columbia 
Metropolitan Police Department of the District of Columbia 