Maryland September 13, 2023 11:10 am DuVal High School adds new security measures after student killed The extra security comes two days after a 16-year-old girl was shot and killed while walking home from school. News4’s Juliana Valencia reports. Local 22:09 Delivery driver berated in viral video: The News4 Rundown 2:12 Opening statements in Tysons police shooting trial 3:52 Video shows man berating delivery driver in DC business 2:55 Learn Joia Burger DC's secret to perfecting each bite of a smashburger 1:44 Grant program attracts new businesses to downtown DC