July 22, 2016 6:40 pm NBC4 Responds: Roundup of This Week's Refunds Consumer Reporter Susan Hogan has a recap of refunds obtained by NBC4 Responds this week. Local 2:03 PNC Parkway Classic marks 40 years of racing in Virginia 0:40 Man stabbed to death near Audi Field in DC 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 0:43 American University locked down before man arrested on campus 3:08 Family holds memorial for brothers, 3 and 6, who died after Clifton house fire