Trump is threatened with a large-scale investigation due to the diesel deal with Putin: the major US banks may be involved in the case, -. Axios The American Democrats are preparing an investigation into Trump's agreement with Russia regarding the supply of diesel. Politicians suspect the deal may violate federal law and help the Kremlin finance its war against Ukraine. The six largest US banks, including J. P Morgan, Bank of America, Citi and Goldman Sachs have already received demands to preserve all documents related to the transactions with Russian Diesel. Similar letters were sent to the largest American ports. Democrats warn: importing Russian fuel could violate the 2022 law, which prohibits the purchase of Russian energy carriers. He faces lawsuits and congressional scrutiny. Banks, transport companies and ports were called not to participate in the purchase, transport, financing and sale of Russian diesel fuel. All documents regarding possible transactions should be kept for future investigation. The preparation was supported by influential Democrats, including Elizabeth Warren and Chris Coons. Even Republican Senator Tom Tillis joined the initiative. After the Nov. 3 election, Trump's deal with the Kremlin could become one of the main targets of the investigation, if Democrats gain control of at least one chamber of Congress. Ukraine online.