Teen arrested in girl's murder one year after police said she accidentally shot herself while recording video

The family of a 14-year-old Washington, D.C., girl who was initially believed by police to have accidentally shot herself says an arrest in her killing brings a measure of relief after they spent months insisting Zytina Mason-Brown did not take her own life.

Police have taken a 17-year-old male suspect into custody in connection with Mason-Brown’s death. Authorities allege the teen was inside the apartment when Mason-Brown was fatally shot.

"I’m feeling — I don’t want to say happy because it’s not a joyous occasion...