The unarmed teen was shot and killed by Officer Richard Haste in his Bronx Home in February 2012.
It's been eight months since the U.S. Attorney's Office announced it would review the case.
Dozens of friends and activists turned out for a march to the 47th precinct on Saturday.
Officer Richard Haste, 31, is charged with manslaughter for shooting unarmed teen Ramarley Graham.
Hodean and Kodean Graham suffered enough with the NYPD shooting of their brother, supporters said.
Ramarley Graham's brothers were charged with being part of a gang that imported weapons into Harlem.
Officer Richard Haste, who's accused of shooting Ramarley Graham, was indicted Monday.
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