Anderson’s attorney declined to comment.
The shooting occurred at 11:44 a.m. on June 15 in front of Shoe City on the 3900 block of Minnesota Avenue NE at the East River Park Mall in the Benning neighborhood.
Police identified the victim as Israel Mattocks, 30, from southeast Washington.
An affidavit of arrest filed in DC Superior Court says Anderson and Mattocks were at another shoe store across the street from Shoe City when they started arguing. Police say Mattocks left that store and walked into Shoe City, and police allege Anderson followed and shot him as he walked out.
Police say Mattocks was shot seven times and had a .40 caliber handgun loaded with 14 bullets inside his belt.
Police said in court documents Anderson also had a gun when he was arrested on Monday.
According to the arrest affidavit, Anderson told police he had an argument with Mattocks, whom he said he did not know, on the shoes. According to the affidavit, Anderson told police he was concerned Mattocks was reaching for a gun at the time of the shooting.