Group 1 - President Trump supports the continuation of the criminal investigation into Federal Reserve Chairman Jerome Powell, despite opposition from Senator Thom Tillis, who threatens to block Trump's nominee for Fed chair unless the investigation is dropped [1][2] - U.S. Attorney Jeanine Pirro is leading the investigation into Powell, and Trump encourages her to see it through to completion [2] - Senator Tillis's opposition could create a stalemate in the Senate Banking Committee, potentially preventing Trump's nominee, Kevin Warsh, from advancing to a full Senate vote [3] Group 2 - Powell disclosed on January 11 that he was under criminal investigation, which followed months of criticism from Trump regarding Powell's interest rate decisions [4] - Powell has stated that the Federal Reserve's decisions are made based on public interest rather than presidential preferences, indicating a conflict between the Fed's independence and the administration's pressure [4]