Derek Gallaher has joined his twin brother at the Roane County Jail.
He was arrested on July 31 for violation of probation, and remained in custody Tuesday afternoon.
Eric Gallaher reported to the jail on July 27 to start serving a nine-year prison sentence for voluntary manslaughter and selling cocaine in a protected zone.
The victim in the manslaughter case was David Lee Harvey.
He died outside of the Grill & Pub bar in 2011 after being punched by Eric Gallaher.