March 18, 2014 7:12 pm Navy Yard Shooting Report: Warning Signs Missed A new report found warning signs were missed before the mass shooting at Navy Yard. News4’s Scott MacFarlane reports. Local 3:28 Social media and teens' mental health: A psychiatrist weighs in 1:41 DC-area police ramp up traffic enforcement in pedestrian safety campaign 3:05 ‘We need real liberation': George Washington University pro-Palestinian protest enters fifth day 2:17 GW asks to students to move pro-Palestinian demonstration 3:01 “It's 100% different”: Community reflects on emergency curfew at National Harbor