August 22, 2011 5:50 pm Billy Corgan Discusses Concussions Smashing Pumpkins frontman joins a movement to bring attention to kids concussions. Local 9:34 Chicago police release new details in arrest of Xavier Tate 2:23 Suspect accused of killing CPD officer Luis Huesca 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