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Arrest Made in a Homicide: 700 block of Alabama Avenue, Southeast

Sunday, March 29, 2020

Detectives from the Metropolitan Police Department’s Homicide Branch announce an arrest has been made in a homicide that occurred on Sunday, March 29, 2020, in the 700 block of Alabama Avenue, Southeast.


At approximately 1:22 am, members of the Seventh District responded to the listed location for the sounds of gunshots. Upon arrival, officers located an unconscious adult male, inside of a vehicle, suffering from a gunshot wound. DC Fire and Emergency Medical Services responded to the scene and determined the victim displayed no signs consistent with life. The victim remained on the scene until transported to the Office of the Chief Medical Examiner.


The decedent has been identified as 29 year-old Gregory Mayo, of Southwest, DC.


The investigation on the scene indicates that this offense was a result of a dispute between known parties. On Sunday, March 29, 2020, 24 year-old Gary Massey, of Southeast, DC, was arrested and charged with First Degree Murder while Armed.