Terre Haute, In. – Jeremy Mack a Federal Prison Inmate at the Federal Correction facility in Terre Haute was in court this week and plead guilty to murdering his cellmate. Mack was sentenced to 30 years for the murder. Mack was already serving a life sentence for conspiracy to commit sex trafficking and drug trafficking, sex trafficking of children by force, fraud or coercion, witness tampering, and obstruction of justice.