Проверяя изолятор временного содержания

Checking the temporary detention center, the prosecutor found that the arrest of the suspects Arbuzov and Dyatkin was carried out in violation of the law.
What direction of prosecutorial supervision are we talking about? Indicate the subject of supervision. (The justification of the answer should be made by the Federal Law “On the Prosecutor´s Office of the Russian Federation” as amended on November 17, 1995 (as amended).

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