(South Fairmount) Cincinnati police continue to investigate a fatal car crash in South Fairmount. Officers said 21-year-old Li-Don Jackson was driving south on Harrison Avenue when he lost control of his vehicle and struck a utility pole. When crews arrived in the 2000 block of Harrison Avenue around 3 a.m. Monday, they found Jackson had succumbed to his injuries and was not wearing a seat belt. Investigators believe speed and alcohol were factors in the crash.