stephen silva testified in court that he loaned dzhokar tsarnaev collier. silva is scheduled to be sentenced on charges, including gun possession. today, a jury of 12 has been seated at the trial regarding the death of freddie gray. opening statements have begun. the case focuses on the actions of officer william porter. he is the first of six baltimore police officers charged in the case. back in april, gray died while being transported to jail. his death set off a series of protests. new developments this noon from chicago where protests were held overnight after the firing of the police superintendent. this all follows the release of video last week showing the death of a black teen shot by a white officer 16 times. abc' s elizabeth hur has more. elizabeth: could there be more shake-up in the works in chicago, with the community still demanding answers? alderman moore: was there a cover-up? elizabeth: even after the firing of police superintendent garry mccarthy, concerned residents more than a year to release this now-infamous dash cam video. alderman m