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Investigation in Russia
1. The investigator and the court base their conclusions concerning the guilt of the accused upon the verification and assessment of the evidence. Evidence in a criminal case is facts, on the basis of which the investigating authorities and the court establish, in accordance with the law, the existence or absence of a socially dangerous act, the guilt of the person committing the act, and other circumstances of importance in making a correct decision in the case.
2. The investigator, the police, the prosecutor and the court establish the facts in the case from the testimony of witnesses, the injured parties, suspects, accused, the opinions of experts, exhibits, the records of the investigation and court proceedings, and other documents.
3. The investigator, having received information that a crime has been committed, inquires as to the persons who may be of help to him in establishing the circumstances of the case, and summons them as witnesses. To obtain exhibits the investigator inspects the scene of the crime and makes searches and seizures. He requests written documents from state establishments and persons in office.
4. The collection of evidence before the trial is performed in the preliminary investigation. In more complicated cases the investigation is carried out by investigators, and otherwise by the police. To obtain evidence, the investigator takes steps to find eye-witnesses of the crime. Upon receiving the summons, a witness must appear before the investigator or in court. If he fails to appear without good reason, he may be forced to by the police and is criminally responsible for failure to appear.
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If a witness fails to appear in court for no valid reason …
he can be released from this duty
he can attend it next time if he likes
he can be tried and put in prison
he can be forced to attend it by the police