Executives inside Deutsche Bank, Donald Trump’s personal bankers, are expecting that the bank will soon be receiving subpoenas or other requests for information from Robert Mueller, the special counsel who is investigating possible collusion between the Kremlin and the Trump campaign.
A person close to the matter who spoke to the Guardian on the condition of anonymity said Mueller’s team and the bank had already established informal contact in connection to the federal investigation.
https://www.theguardian.com/business/2017/jul/19/deutsche-bank-donald-trump-russia-investigation-subpoenas