#Tekashi6ix9ine, is back in custody and was set to appear in federal court in New York. The rapper was arrested for an alleged violation of his supervised release. He will remain behind bars pending a Nov. 12 hearing and will spend the next two weeks at the Metropolitan Detention Center in Sunset Park, Brooklyn. Authorities say Tekashi was detained Tuesday morning after he traveled to Las Vegas without permission and then denied doing so, failed to attend a scheduled drug testing, and then tested positive for methamphetamine. He was also an hour late to court on Tuesday morning.