social workers and community leaders. Equipment Chicago police officers are required to buy their own duty equipment (except Taser x2 and Motorola radio Motorola phone). All field officers must also be qualified to carry a Taser. Some officers choose to carry a backup weapon as well, which must meet certain specifications and requires annual qualification. The prescribed semiautomatic pistol must meet the following requirements: Be manufactured by Beretta, SIG, Glock, Ruger, Smith & Wesson, or Springfield Armory. Be chambered in 9mm, .40 S&W, or .45 ACP. Be double-action only, hammer or striker-fired. Officers who were hired on or before 1 December 1991 may keep their older double-action/single-action pistols, as well as their 4" barrel Smith & Wesson, Ruger or Colt revolvers in .38 Special or .357 Magnum. Recruits hired on or after 28 August 2015 must choose from Springfield Armory, Smith & Wesson, or Glock striker-fired 9mm pistols. Officers hired before 19 May 2008 may continue to use the Double Action Only (DAO) Beretta, Ruger, SIG Sauer, and S&W pistols for duty use. It was reported in June 2018 that the agency would allow the authorization of the SIG Sauer P320 as another service pistol to be chosen by officers to carry. Shortly after the P320 appeared on the authorized firearms list. Patrol vehicles contain long gun racks. Remington 870 12-gauge shotguns are available in the event that additional firepower is needed. Officers must complete five days of training to carry an AR-15 type rifle and have the option to purchase their own or use a department-provided one. Ranks See also Chicago Police Accountability Task Force Citizen Law Enforcement Analysis and Reporting Crime in Chicago Cook County Sheriff's Office List of law enforcement agencies in Illinois References Further reading Basu, Tanya. "Behind 'the Disappeared' of Chicago's Homan Square", The Atlantic, February 2015. Bingham, Dennis, and Schultz, Russell A. A Proud Tradition: A Pictorial History of the Chicago Police Department. Chicago, IL: Chicago Police Department, 2005. Burke, Edward M., and O'Gorman, Thomas J. End of Watch: Chicago Police Killed in the Line of Duty, 1853–2006. Chicago, IL: Chicago's Books Press, 2006. Conroy, John, Unspeakable Acts, Ordinary People: The Dynamics of Torture, Berkeley, CA: University of California Press, 2000. . Covers the Burge case. Flinn, John Joseph. History of the Chicago Police from the Settlement of the Community to the Present Time. Chicago: Police Book Fund, 1887. Mitrani, Samuel. The Rise of