African American to lead the agency. Pittman served in an acting capacity until July 22, 2021, when she was replaced by J. Thomas Manger. April 2021 Capitol car attack On April 2, 2021, a suspect identified as Noah Green used a car to hit two Capitol Police Officers and then hit a barricade. Officer William "Billy" Evans died and the other officer was hospitalized. Officers shot and killed the suspect. The Capitol was locked down. Green said on social media that he believed he was a victim of "mind control". Organizational structure The agency is led by an "Executive Team" with the Chief of Police at the head, who is supported by an Assistant Chief of Police for Uniformed Operations, and a Chief Administrative Officer. There are about 18 bureaus and offices, and an Inspector General. Due to threats and other security measures in the wake of the 2021 United States Capitol attack, the agency announced plans to open field offices in California and Florida on July 6. Congress has enabled joint oversight of the Capitol Police Board and given the Chief of the Capitol Police emergency powers to request national guard or other federal assistance in cases of civil disturbance. Rank structure and insignia See also 2021 storming of the United States Capitol Congressional baseball shooting Shooting of Miriam Carey (2013) March 29, 2006, Capitol Hill police incident 1998 United States Capitol shooting List of incidents of political violence in Washington, D.C. List of United States federal law enforcement agencies Capitol police References External links 1828 establishments in Washington, D.C. Capitol Police Congressional Gold Medal recipients Law enforcement agencies of the District of Columbia