Moldovan Prime Minister Vlad Filat said Igor Smirnov, Transnistria's separatist leader, freed Cazac as a result of ongoing negotiations about Moldova and Transnistria that include officials from Russia, the United States and the European Union.
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On June 22, 2011, it was reported that the Head of the OSCE Mission to Moldova, Philip Remler, met Cazac and confirmed that he was in good condition.