Duane Ellis, 43, was found shot to death in the stairwell of the building in the 4200 block of 58th Avenue around 9:15 p.m., Saturday, Sept. 4, according to Prince George's County police.
A $25,000 reward is being offered for information leading to an arrest and indictment in connection to the murder.
Detectives do not believe that the killing was a random incident, and are currently working to identify a suspect and motive for the crime.
If anyone has information relevant to this investigation, they are asked to please call detectives 301-516-2512.
Callers wishing to remain anonymous may call Crime Solvers at 1-866-411-TIPS (8477).
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