May 11, 2012 6:34 pm Petworth Hammer Attack Suspect Incompetent to Stand Trial A D.C. Superior Court judge ruled that hammer attack suspect Michael Davis is incompetent to stand trial. News4’s Derrick Ward reports. 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