July 19, 2017 9:30 am News4 is Working 4 You Shirley Gibson, the mother of slain police officer Brian Gibson, shares her story with News4’s Jim Vance and Doreen Gentzler and with NBC Nightly News’ Lester Holt. Local 2:03 PNC Parkway Classic marks 40 years of racing in Virginia 5:01 Strawberry Season: Pick fruit at this Virginia festival 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