The investigation relates to possible bribes paid to secure a gas contract in the 1990s . In an interview with Russian state television on Wednesday, Putin said he had no knowledge of any such payments. Dick Cheney 's lawyer has said that former vice president had nothing to do with it .
The investigation relates to possible bribes paid to secure a gas contract in the 1990s . The bribes allegedly amounted to $ 180 million between 1994 and 2004 . Dick Cheney 's lawyer has said that former vice president had nothing to do with it .