Chernokozovo detention center (Russian: Чернокозово СИЗО, Chernokozovo SIZO) is a prison in the village of Chernokozovo, Chechnya, Russia. The detention center is operated by the Ministry of Internal Affairs and currently has the status of penal colony. Chernokozovo SIZO was notorious during the Second Chechen War, serving as the main component of the "filtration camp" system operated by Russian federal forces. It was the site of reported human rights violations, particularly accusations of widespread arbitrary detention and torture.