According to the influential Kommersant newspaper , the Federal Security Service (FSB) planted the bug as part of an investigation into senior officials of the Russian Investigations Committee (SKR) who were said to be taking bribes. The samovar - engraved with the letters "FSB" and the organisation's logo - been presented to the head of the Investigations Committee's Internal Security Directorate, Mikhail Maksimenko, and was left sitting in his office, Moscow daily Izvestiya reports