He touted special speech that didn't happen after Trump Tower meeting was a bust.
The president's claims about his knowledge and involvement in his son's controversial meeting have constantly evolved.
The documents paint a portrait of Natalia Veselnitskaya as a well-connected attorney who served as a ghostwriter for top Russian government lawyers.
Thousands of pages of transcripts detail the meeting at Trump Tower with Russians.
Investigators won't say if they've spoken to Anatoli Samochornov, a witness to the event everyone is talking about.