This image rendered from video and released by PittBriefly.com, shows about police officers in riot gear posing for a photo with a man they detained kneeling in front of them during last month's G-20 summit in Pittsburgh. The Chicago Police Department is investigating several of its officers accused of forcing a college student they arrested during last month's G-20 summit in Pittsburgh to pose for a group photo with them. The department, which has been dogged by embarrassing allegations of misconduct in recent years, began investigating the Pittsburgh claims after video of the alleged incident was posted on YouTube. AP Photo logo AP Photo 1 month ago

This image rendered from video and released by PittBriefly.com, shows about police officers in riot gear posing for a photo with a man they detained kneeling in front of them during last month's G-20 summit in Pittsburgh. The Chicago Police Department is investigating several of its officers accused of forcing a college student they arrested during last month's G-20 summit in Pittsburgh to pose for a group photo with them. The department, which has been dogged by embarrassing allegations of misconduct in recent years, began investigating the Pittsburgh claims after video of the alleged incident was posted on YouTube.