Swann drove to Washington to carry out the attacks, which took place in the Mount Pleasant and Columbia Heights neighborhoods.
Each of the attacks followed a standard format: Swann would slow his car down next to a pedestrian and fire a 20-gauge shotgun at the target before driving away.
Swann killed four people and injured five in 14 attacks before he was apprehended by the Metropolitan Police on April 19, 1993.
[2][3] In 2011, Swann applied for a 12-hour furlough from the psychiatric hospital where he has been committed in order to visit his father.
Witnesses for Swann noted that he had earned an associate degree in Computer Science while incarcerated.