open to local hunters. instead the national park service is bringing out the big guns and sharp shooters hired to call in the deer population that has gone buck wild. molly is live from rock croak, in washington d.c. molly. reporter: yes, greg, rock creek, the park behind me is a 12 mile park in washington d.c., as you are saying sharp shooters will be working in the over night hours until the end of march or until they call the herd around the nation s capitol. it is a second year to stem the deer heard. they want 77 deer to around 15 or 20 deer per square mile. the over population is causing the deer to venture in neighborhoods and rush hour traffic looking for food. they say the deer is depleting