RICHLAND COUNTY, S.C. (WSPA) – The Richland County sheriff held a press conference Thursday morning after a Fort Jackson trainee left the base and hijacked a school bus. Sheriff Leon Lott said the incident happened at about 7 a.m. Lott said the trainee was wearing PT clothes when he left the base with a rifle. The trainee attempted to hitch hike on I-77. Someone called the sheriff’s office about a man attempting to flag down cars on the interstate. Shortly after, a deputy was stopped on Percival Road by a parent of one of the students on the school bus....