WASHINGTON (DC News Now) — D.C. police announced that a third person was arrested following a months-long homicide investigation into a shooting that happened in Southeast.
This arrest comes nearly two years after 39-year-old Dwayne Barbour, of Southeast, was shot and killed.
On Dec. 20, 2023, just before 9 p.m., officers were called to the 2900 block of Knox Place, where Barbour had been shot…