February 9, 2013 8:08 am Medicine Ball Fitness Fit Club member Sergio Rojas shows us how to use a medicine ball to get fit. 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