A teenager was arrested Saturday in the summer shooting death of another teen last year in Northwest D.C., police said.

Nelfy Hernandez, 17, of the District, was charged with first degree murder while armed in the shooting of Taijhon Wyatt, Jr., also 17, who was killed on Aug. 10 in the 5500 block of Ninth Street NW, police said.

It was the second arrest in the case. On Dec. 31, Deandre Levy, 19, who lives in Gaithersburg, was charged with first degree murder while armed, according to D.C. police.