The Economy Industry official who negotiated the contract of Petrom privatization, which resulted in the sale of Romania’s biggest oil company to OMV, faced General Prosecutor’s Office charges on Wednesday as a major investigation was launched among officials involved in privatization processes. Ministry official Dorinel Mucea is charged with crimes against national security.

According to a press release from the Public Ministry in Bucharest, DIICOT, the body dealing with major criminal crime and terrorism cases in Romania, was notified in June this year about the existence of an organized crime group formed aroung Bulgarian citizen Stamen Stancev, a consultant for the Swiss bank that overviewed the Petrom privatization.

The network is said to include several dignitaries and public servants involved in privatization processes. Mucea, two other Romanians and Stancev Stamen were facing prosecutors’ questions on Wednesday.