they found mario robles with two stab wounds to his chest. it's unclear how this fight started. >>> you live in virginia, you might have noticed something different on your facebook feed. facebook is working to get you registered to vote ahead of primary day march 1. the message includes a link to virginia's voter registration page. a spokesperson for facebook tells us it hopes it can encourage everyone to be more civically engaged. >>> one is a standout athlete, the other a double major as investigators search for clues in the death of a 13-year-old virginia girl. we're learning more about the two college students accused in the case. >>> a warning from wegman's tonight. don't believe everything you see. details on a fraudulent facebook post involving free groceries. >>> and we've just learned when the smithsonian's next museum will open its doors. hope you'll stay with us. >>> i'm melissa mollet with your first traffic tonight. remember, we have that third street tunnel project ongoing, the third phase now under way. so some southbound lane