Launching an aggressive investigation of President Trump and his administration, targeting dozens of people and entities and thousands of documents in a bid to prove obstruction, corruption and other misconduct. Catherine herridge is live in washington. What else are we learning from these document requests . Reporter good afternoon. Fox news obtaining this letter to carter page. Page is one of more than 80 individuals and entities tied to the president that are now under congressional investigation. Chairman nadler is asking for the official round of records by march 19th. The president was asked if he will cooperate. I cooperate all the time with everybody. You know the beautiful thing . No collusion. Its all a hoax. Reporter the democrats investigation appears to signal a shift away from russia collusion to alleged financial crimes that preceded the 2016 election. On the sunday shows, nadler said they cannot rely on Robert Muellers report. He said the timing is up in the air and its