a generic term comprising places maintained by the public authority for the detention of persons confined under legal process ... for the purpose of insuring the production of the prisoner to answer in future legal proceedings or ... for the purpose of punishment for an offense of which the prisoner has been duly convicted and sentenced, Justiitsministeeriumi valitsemisalas olev valitsusasutus, mille ülesandeks on vabadusekaotuse, aresti ja eelvangistuse täideviimine käesolevas seaduses sätestatud korras