SYLVANIA - An employee of AMI Kids, formerly known as the Savannah River Challenge, and his brother were arrested last week for alleged drug involvement with individuals housed at the detention center located on Old River Road, Sylvania. Inv. Michael Duncan with the Screven County Sheriff's Department, said that AMI employee Antwon Johnson and his brother Loverious Johnson were arrested at about 2:30 p.m. Thursday, following a joint investigation between AMI Kids, Sylvania Police and Screven County Sheriff's Dept.