On the evening of October 9, 2008, 27-year-old Antwain Maurice Simpson was standing outside in the 4300 block of Torque Street in Capitol Heights, Maryland, with another man when a dark-colored SUV pulled up and occupants opened fire. Both men were struck; Simpson, known as Twain, was critically wounded and died of his gunshot injuries on October 16, 2008. He left behind three children and a grieving family.

Despite the public nature of the attack, no motive has been reported and there have been no public announcements identifying suspects or arrests. The identity and condition of the other person shot that night have not been disclosed.