Chicago has seen more police chiefs than mayors in its nearly 200-year history. Occupants of the powerful, high-profile position walk a political tightrope, and have suffered some epic falls. Here’s a look at the legacy of the city’s most recent superintendents. 

Security management firm Hillard Heintze is being used by the city as a liaison between the business community and police.

As some business leaders expressed concern about the summits, the city hired security firm Hillard Heintze, which will meet weekly with the business community.