New questions about the investigation into the shooting near Capitol Hill. During a news conference authorites said they do not belive the driver's actions before the shooting were a mistake. So what do investigators know, and what are the next steps in determining her motivation? CNN's Joe Johns and Deborah Feyerick join the panel with the latest information.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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