. >> they're expeerp yensed drivers on a mission to experience and do more. >> i'm cheryl jennings. > all of us here thanks for watching. we appreciate your time. connect with us on twitter. see you at 6:00. >>> this is "world news." tonight day of terror, a gunman strikes an elementary school. terrified children race out of the building. frantic parents await the news. who is the 19-year-old with the huge weapon? and an abc news exclusive, the school clerk whose sheer courage got him to put down that gun while she prayed this. >> god help us all. >>> red hot, 50 new fires put firefighters to a new limit. >>> and watch your wallet. look at this, one second it's there. the next it's gone. the new hot spots for pick pockets and the new tricks of their trade. >> a good evening to all of you. just as so many american children are heading back to