New charges were filed Thursday against former Trump campaign chairman Paul Manafort and his business partner, ratcheting up the legal pressure on them as they prepare for a trial later this year.

A new indictment has long been expected in special counsel Robert S. Mueller III’s prosecution of Manafort and his right-hand man, Rick Gates, on fraud and money laundering charges. Manafort served as President Trump’s campaign chairman from June to August 2016. Gates also served as a top official on Trump’s campaign. The new indictment contains 32 counts, including tax charges.

The filing Thursday comes at a time of significant uncertainty in the case about when a trial might happen, or even who the defense lawyers will be. Last week, U.S. District Judge Amy Berman Jackson criticized both sides for what she called “unacceptable delays” in a case which still doesn’t have a trial date set.