BALTIMORE, MD -- APRIL 13: Mary Tweedy, 67, has lived in Sandtown since 1995. She says drugs are the main reason for the crime in her community and that people know to mind their own business if they want to stay alive.
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)