Officer, once beaten by colleagues, to lead Boston police


              Michael Cox, center, who has been named as the next Boston police commissioner, speaks with Boston Mayor Michelle Wu, right, while greeting people as they arrives at a news conference, Wednesday, July 13, 2022, in Boston's Roxbury neighborhood. Cox, who was beaten more than 25 years ago by colleagues who mistook him for a suspect in a fatal shooting, served in multiple roles with the Boston Police Department before becoming the police chief in Ann Arbor, Michigan, in 2019. (AP Photo/Steven Senne)
            
              Michael Cox, left, who has been named as the next Boston police commissioner, stands with Boston police supt. in chief Gregory Long, right, who has served as acting commissioner, Wednesday, July 13, 2022, in Boston's Roxbury neighborhood. Cox, who was beaten more than 25 years ago by colleagues who mistook him for a suspect in a fatal shooting, served in multiple roles with the Boston Police Department before becoming the police chief in Ann Arbor, Michigan, in 2019. (AP Photo/Steven Senne)
            
              Michael Cox, who has been named as the next Boston police commissioner, faces reporters during a news conference, Wednesday, July 13, 2022, in Boston's Roxbury neighborhood. Cox, who was beaten more than 25 years ago by colleagues who mistook him for a suspect in a fatal shooting, served in multiple roles with the Boston Police Department before becoming the police chief in Ann Arbor, Michigan, in 2019. (AP Photo/Steven Senne)
            
              Boston Mayor Michelle Wu, center, faces reporters during a news conference, Wednesday, July 13, 2022, in Boston's Roxbury neighborhood, held to announce Michael Cox as the next Boston police commissioner. Cox, who was beaten more than 25 years ago by colleagues who mistook him for a suspect in a fatal shooting, served in multiple roles with the Boston Police Department before becoming the police chief in Ann Arbor, Michigan, in 2019. (AP Photo/Steven Senne)
            
              Michael Cox, right, who has been named as the next Boston police commissioner, faces reporters as Boston Mayor Michelle Wu, left, looks on during a news conference, Wednesday, July 13, 2022, in Boston's Roxbury neighborhood. Cox, who was beaten more than 25 years ago by colleagues who mistook him for a suspect in a fatal shooting, served in multiple roles with the Boston Police Department before becoming the police chief in Ann Arbor, Michigan, in 2019. (AP Photo/Steven Senne)
            
              Michael Cox, left, who has been named as the next Boston police commissioner, shakes hands while greeting people as Boston Mayor Michelle Wu, right, looks on as they arrives at a news conference, Wednesday, July 13, 2022, in Boston's Roxbury neighborhood. Cox, who was beaten more than 25 years ago by colleagues who mistook him for a suspect in a fatal shooting, served in multiple roles with the Boston Police Department before becoming the police chief in Ann Arbor, Michigan, in 2019. (AP Photo/Steven Senne)
            Michael Cox, right, who has been named as the next Boston police commissioner, greets Abrigal Forrester, left, a member of the Boston Police Commissioner Search Committee, as he arrives at a news conference, Wednesday, July 13, 2022, in Boston's Roxbury neighborhood. Cox, who was beaten more than 25 years ago by colleagues who mistook him for a suspect in a fatal shooting, served in multiple roles with the Boston Police Department before becoming the police chief in Ann Arbor, Michigan, in 2019. (AP Photo/Steven Senne) Ann Arbor Police Chief Michael Cox speaks as Washtenaw County criminal justice officials answer questions from the public at New Hope Baptist Church in Ann Arbor, Mich., on Monday, Jan. 20, 2020. Cox, a former Boston police officer who was beaten more than 25 years ago by colleagues who mistook him for a suspect in a fatal shooting, will be the new leader of the city's police department, Boston Mayor Michelle Wu announced Wednesday, July 13, 2022. The commissioner post is a homecoming for Cox, 57, a city native who served in multiple roles with the Boston Police Department before becoming the police chief in Ann Arbor, Michigan, in 2019. Cox is expected to take the helm in Boston next month.  (Jacob Hamilton/Ann Arbor News via AP) Ann Arbor police chief Michael Cox poses at the Ann Arbor News Wednesday, Aug. 7 2019. Cox, a former Boston police officer who was beaten more than 25 years ago by colleagues who mistook him for a suspect in a fatal shooting, will be the new leader of the city's police department, Boston Mayor Michelle Wu announced Wednesday, July 13, 2022. The commissioner post is a homecoming for Cox, 57, a city native who served in multiple roles with the Boston Police Department before becoming the police chief in Ann Arbor, Michigan, in 2019. Cox is expected to take the helm in Boston next month. (Jacob Hamilton/Ann Arbor News via AP) Michael Cox, a candidate for the Ann Arbor police chief, speaks with community members in the lobby of the Justice Center, Wednesday, May 15, 2019 in Ann Arbor. Cox, a former Boston police officer who was beaten more than 25 years ago by colleagues who mistook him for a suspect in a fatal shooting, will be the new leader of the city's police department, Boston Mayor Michelle Wu announced Wednesday, July 13, 2022. The commissioner post is a homecoming for Cox, 57, a city native who served in multiple roles with the Boston Police Department before becoming the police chief in Ann Arbor, Michigan, in 2019. Cox is expected to take the helm in Boston next month. (Ben Allan Smith/Ann Arbor News via AP)