March 15, 2016 9:45 am Polls Open Across Illinois for Presidential Primary A record-breaking number of Chicago voters had already cast their ballots before the polls opened on Election Day Tuesday. NBC 5’s Susan Carlson reports. 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