As a result of this, there is no statewide prison system or even a facility within D.C to place felons after sentencing as is the case in the 50 states.
In most cases it is simply association through residency and mutual defense and resource sharing between these inmates in the course of their prison experience.
Blacks became enemies with another prison gang called the Aryan Brotherhood, which is a group consisting of only convicted white men.
Blacks were stabbed and killed at the United States Penitentiary in Lewisburg, Pennsylvania by Aryan Brotherhood members.
An FBI investigation was sparked when Chappelle's body was found dead in his cell at the United States Penitentiary in Marion, Illinois.
Blacks and the Aryan Brotherhood have testified in court, giving the public a general idea of what life at USP Marion looked like.