BALTIMORE, MD -- APRIL 13: Marvin Holmes, an Outreach Worker for Safe Streets keeps his eye on the block as he canvasses near the Avenue Market.
Safe Streets is a program started in Baltimore to cut gun violence in the most dangerous communities in the city by deploying Violence Interruptors to deescalate conflicts before they turn deadly. The newest post has just opened in the long beleaguered Sandtown community which was ground zero for the city's unrest following the death of Freddie Gray…. (photo by Andre Chung for The Washington Post)