This combination of photos provided by the Hennepin County Sheriff's Office in Minnesota on Wednesday, June 3, 2020, shows from left, former Minneapolis police Officers J. Alexander Kueng, Thomas Lane and Tou Thao. Data show it's rare for police officers to be convicted of on-duty killings. But three recent convictions of police officers in Minnesota have some people wondering whether that's changing. (Hennepin County Sheriff's Office via AP, File)