Deangelo Kevin Alston was 19 when he was shot and killed on the evening of November 9, 2008, in Prince George’s County, Maryland. The shooting ended a young life and prompted an immediate homicide investigation by local police.

Within weeks investigators announced an arrest. Authorities identified 23-year-old Damien Von Wheeler of Bowie, Maryland, and charged him with Alston’s murder, moving the case from investigation to prosecution.

What details about that November evening or witnesses have not yet been made public that could help clarify what happened?