Police say 37-year-old Renza Bryant and 34-year-old Jalonte Thompkins, both of the District, were arrested by members of the Capital Area Regional Fugitive Task Force on December 5 in Fort Washington.
Both face first degree murder charges.
READ MORE: Early-morning triple shooting in DC
On August 5, police say Bryant and Thompkins opened fire around 1 a.m. on Ontario Road in northwest D.C.
Investigators say 34-year-old James Morgan and 30-year-old Jamal Morgan, both of southeast D.C. were struck by the gunfire and died at the scene. A third shooting victim, 42-year-old Vincent Martin, also of D.C., was transported to a nearby hospital where he died on Monday, August 7.
The investigation into the motive behind the shooting is ongoing.
2 arrested, charged in Adams Morgan triple shooting that left 3 dead | 34-year-old Jalonte Thompkins (l) 37-year-old Renza Bryant (r)