If Washington, D.C. is an indicator, criminal justice reform should start with reforming criminals. A recent dive into gun homicides in the nation’s capital shows that gun violence there remains a street gang problem, as is the case in most metro areas. Take-aways Most gun homicides are committed by “gang age” males. Half of suspects have been in the criminal judicial system since their juvenile ages. All (on average) had prior charges of firearm violence. A likely minimum of 52% of homicides are gang or gang nexus related. Guns in D.C. after decades of banning guns Let’s start by noting that D.C. is the per capita murder capital as well as the nation’s capital.