Black Disciples
The Black Disciples ( often abbreviated as BDN , BDN III , BD's ) is a large street gang based in Chicago , Illinois which received significant news coverage after the murder of 11-year-old Robert Sandifer . 
<triplet> Black Disciples <subj> street gang <obj> instance of <subj> Chicago <obj> location of formation <triplet> Robert Sandifer <subj> Chicago <obj> place of death