In an early May phone call with NBC, Giuliani called Lutsenko a “much more honest guy” than the previous, Kremlin-aligned prosecutor, Viktor Shokin, whom the Ukrainian Parliament sacked for failing to crack down on corruption…

But in a series of interviews with NBC and other news outlets this weekend, Lutsenko said he could find no evidence of wrongdoing involving the Bidens and violations of Ukrainian law, though he told NBC News that the situation did have the appearance of a “conflict of interest” for the former vice president.

Facing a subpoena by House Democrats, who want to know the nature of Giuliani’s interactions with Lutsenko and other Ukrainian officials, Giuliani swiftly turned on the man who he’d been corresponding with for months. “Mr. Lutsenko has been fired by the current president. Mr. Lutsenko is exactly the prosecutor that Joe Biden put in in order to tank the case,” Giuliani told CBS News Sunday.