Capitol police

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Capitol police in the United States are agencies charged with the provision of security police services for various state agencies, but especially state legislatures. Capitol police may function as part of the state police or may be an independent agency. There is also a federal capitol police agency.

Security police for government facilities are a very old idea, dating back at least to the guards posted at Solomon's temple and including such units as the Praetorian Guard and the Coldstream Guards.

The United States Capitol Police is the agency charged with the protection of the United States Capitol and some surrounding buildings, including the Library of Congress.^[1]

• Arkansas State Capitol Police
• Connecticut State Capitol Police
• Delaware Capitol Police
• Florida Capitol Police
• Georgia Capitol Police
• Illinois Capitol Police
• Indiana Capitol Police
• Kansas Capitol Police
• Maine Capitol Police
• Maryland Capitol Police
• Missouri Capitol Police
• Mississippi Capitol Police
• Nevada:
  • Nevada Capitol Police
  • The Capitol Police Division Nevada Capitol Police Division)
• North Carolina:
  • North Carolina State Capitol Police
  • North Carolina General Assembly Police
• Pennsylvania Capitol Police
• Rhode Island Capitol Police
• Vermont Capitol Police
• Virginia Capitol Police
• West Virginia Capitol Police
• Wisconsin State Capitol Police

• Arizona State Capitol Police (defunct as of 2011; merged with the Arizona Department of Public Safety as Capitol Police Division)
• California State Police (merged with the California Highway Patrol)
• The Iowa Capitol Police is now the (defunct as of 2000; merged with the Iowa Capitol Police/District 16)
• Massachusetts Capitol Police (merged with Massachusetts State Police in 1992)
• Nevada Capitol Police Patch only (merged with Nevada State Police in 2021)
• Texas Capitol Police (merged with Texas Department of Public Safety)

• Public safety department

• Republican Guard (France)
• German Parliament Police
• Ontario Legislative Security Service
• Parliamentary Protective Service, Canada
• Eishi (Serjeant-at-arms), Japan