Nikitin joined the Bellona Foundation, a Norwegian non-governmental organization addressing environmental issues in various regions, including Russia. As a specialist with first-hand knowledge of the issue and the region, Nikitin provided detailed information and was able to map the region’s radioactive sources.
In 1996, Nikitin co-authored a report entitled “The Russian Northern Fleet – Sources of Radioactive Contamination,” preparing a section about Soviet nuclear submarine accidents and safety problems of naval reactor installations. In 1995, Bellona’s Russian office was ransacked by the Federal Security Police (FSB)–the successors to the KGB–and all references for the report were confiscated. Nikitin was trying to reconstruct the report when he was suddenly arrested in February 1996. He was imprisoned on charges of high treason and devulging of state secrets for his work on the report, even though this information had been published elsewhere. He was told that he had violated Defense Ministry secret decrees, but was not informed what these laws were.
This report is currently the only publication in Russia that is officially banned. During his first six weeks in prison Nikitin was denied the opportunity to choose his own lawyer. He was held in solitary confinement and denied bail. On December 14, 1996 the Attorney General released Nikitin from prison and his case was sent back to the FSB for further investigation. After his release, he was not permitted to leave St. Petersburg. After several months, the FSB completed its investigation and filed additional charges of treason–seven in total–against Nikitin. According to legal experts, he is the only Russian citizen ever to be charged so many times with the same crime. After Nikitin filed for his case to be dismissed, the Prosecutor General’s office issued a statement saying that the usage of secret military decrees applied retroactively against him is a violation of the Russian constitution. These decrees were central to the FSB’s case against Nikitin. In the meanwhile, Nikitin and his family have been followed and harassed. In June 1998, Nikitin’s case was transferred to the City Court of St. Petersburg.
Nikitin was acquitted of all charges in 1999. Appeals from the General Prosecutor’s office soon followed, but the aquittal was ultimately affirmed by the Supreme Court, effectively closing the case.