Bruno Prison was a prison in the Vackrinos District, an administrative region on the planet Acamar III. In 2313, after he was charged by Prosecutor Tograf, and having been denied bail because of the violent nature of his crimes, Penthor-Mul was moved to this facility's high security wing. In 2366, this prison was mentioned in the court records of Penthor-Mul, which were accessible to the crew of the USS Enterprise-D via the Acamarian planetary database. (TNG: "The Vengeance Factor" , okudagram) This prison was only mentioned in writing.