(Kanun) Presumption of innocence is a legal right that the accused in criminal trials has in many modern nations. It states that no person shall be considered guilty until finally convicted by a court. The burden of proof is thus on the prosecution, which has to convince the court that the accused is guilty beyond a reasonable doubt. In principle, the defense does not have to 'prove' anything. However, the defense may present evidence tending to show that there is a doubt as to the guilt of the accused