will determine if the officers use of deadly force was necessary. t.j. and kayna, back to you. >> terrifying moments on a downtown chicago street in the height of the evening rush. a city bus collided with three cars and several people pinning down one woman underneath. witnesses say the bus was trying to avoid another car when it careened on to a pedestrian plaza. the woman who was trapped later died. the bus was empty at the time. the driver was among seven people injured. >> word the pentagon is among dozens of facilities that may have mistakenly received live anthrax but a defense official denying those reports telling abc news that no live spores were shipped to the pentagon directly and pentagon employees were never at risk. however, the official said the anthrax samples were sent to a contract lab in maryland but diluted before going to a pentagon lab. some chilling evidence played for jurors in the colorado movie theater massacre trial of suspect james holmes. jurors were watching hours of conversations that holmes had with the doctor who performed a