Marcus Minor was 21 when he was found fatally shot on January 24, 2014, in the 1300 block of Stevens Road SE in Southeast Washington, D.C. Police responded to reports of gunfire at about 2:42 p.m.; emergency medical personnel found no signs of life and an autopsy determined the death a homicide.

Authorities arrested 28-year-old Tsihnik Cavallero of Southeast D.C. on February 10, 2014, on a D.C. Superior Court warrant. He was initially charged with second-degree murder while armed; a grand jury later indicted him for first-degree murder while armed. Charging documents state both Minor and Cavallero were involved in selling marijuana, and Cavallero pleaded not guilty.

What additional details or leads are there for the afternoon and surroundings of Stevens Road SE on January 24, 2014?