A suspect has been arrested days after a woman was found shot to death in a car in Northwest D.C. Her two children were inside the car and were not injured.
Sierra Johnson, of Northeast D.C., died after the shooting on Georgia Avenue NW the evening of Jan. 19. She was 27.
Stream NBC4 newscasts for free right here, right now.
WATCH HERECourt documents reveal that Johnson was four months pregnant when she died.
D.C. police arrested 27-year-old Joseph Fox, of Capitol Heights, Maryland, on Tuesday and charged him with second-degree murder while armed, carrying a pistol without a license and felon in possession. Officers recovered a gun during the arrest, police said.
We have the news you need to know to start your day. Sign up for the First & 4Most morning newsletter — delivered to your inbox daily.
SIGN UP 
Police said the killing was "domestic in nature."
Johnson was discovered shot inside a dark-colored sedan parked with its hazard lights flashing in the 2500 block of Georgia Avenue NW, within sight of the main gate of Howard University.
Local
Washington, D.C., Maryland and Virginia local news, events and information
Her two children were not injured, police said, declining to provide their ages.
