Boss City is a nickname adopted by certain Gangster Disciple gang members in Chicago in honor of Rodney "Boss Trell" Stewart, a Gangster Disciples gang member whom was murdered on November 8, 2012. Boss Trell's death was seen as a tragic event by Chicago news papers because he was 2 days away from leaving Chicago; his bus pass was in his pocket the day he died.
Following Boss Trell's death, some GD gang members claim that he was the one responsible for murdering Sheroid Liggins, a rival Black Disciples gang member.