Claims of Police Cover Up May Undo Chicago Mayor Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Chicago Mayor Rahm Emanuel bites his lip as he listens to a question from a reporter during a press conference on Tuesday, Dec. 1, 2015. ( Anthony Souffle/Chicago Tribune/TNS / Getty ) Produced by Oliver Lazarus Produced by PRI and WNYC