Najii Mercer, a 20-year-old Black man from Oxon Hill, Maryland, was shot and killed on Sunday, September 7, 2025. The shooting occurred shortly after 3 p.m. in the 2600 block of Birney Place SE in Washington, D.C. Officers from the Metropolitan Police Department’s Seventh District found Mercer unconscious and not breathing with a gunshot wound; D.C. Fire and EMS transported him to a nearby hospital where he was pronounced dead.

The Metropolitan Police Department opened a homicide investigation. Authorities said they were searching for three juvenile males in connection with the shooting; as of the initial reports no arrests had been made and no suspects were publicly identified. The police have offered a reward of up to $25,000 for information that leads to an arrest and conviction.

What does anyone in the area remember from that afternoon, and can anyone provide information that might help investigators?