February 24, 2015 10:25 pm Wilson Campaign Says He Caused Runoff NBC Chicago’s Lauren Jiggetts reports from the campaign of Willie Wilson, the self-made businessman who spent $2 million of his own money trying to unseat Emanuel. Local 3:10 Suspect charged in killing of Chicago police officer faces additional charges 2:03 Prosecutors detail how Calumet City cold case unfolded, with suspect finally arrested 0:54 Richest person in Illinois revealed in new Forbes Magazine ranking 1:45 Video shows arrest of suspect in CPD officer Luis Huesca's murder 2:25 Thursday afternoon forecast