The couple worked with Giuliani to obtain information about the activities of former Vice President Joe Biden and his son Hunter in the Ukraine.
Favorov lawyer Lanny Breuer said his client would voluntarily sit down with the prosecutors. Breuer declined to comment further.
A spokesman for the US Southern New York law firm declined to comment. The planned meeting of prosecutors with Favorov was first reported by the Associated Press.
Interest in Favorov, who acts as senior executive at the state-owned Naftogaz company, shows investigators are focusing on Parnas and Fruman's efforts to achieve this. While they also supported Giuliani's work in that country, they focused deals with deals in the historically corrupt Ukrainian energy sector.
The prosecution examined Giuliani's links with the two men, who are alleged to have violated US campaign finance laws by allegedly helping to channel foreign money to candidates and political committees. You have not pleaded guilty.
Giuliani referred to Parnas and Fruman as customers, and said he was paid $ 500,000 to advise a financial security company called Fraud Guarantee, founded by Parnas.
The two men also helped Giuliani's investigation into the activities of Hunter Biden, who was on the board of another Ukrainian energy company. This year, the couple arranged a meeting between Giuliani and the former top prosecutor of Ukraine, Yuri Lutsenko, who allegedly offered information about the bid.
After Parnas and Fruman were arrested, Giuliani denied any knowledge of their misconduct. In an interview, he said that he had seen the two men "quite often" and had "no reason to believe that they were anything but decent men."
Favorov met at least twice with Fruman and Parnas this year, according to data from people who are familiar with his report.
The first meeting took place on the sidelines of an energy conference in Houston in March. The couple proposed to Favorov to import liquefied natural gas and wondered if he would loudly agree with the meeting of trusted people to replace the CEO of the giant Ukrainian gas company.
A person who was told by Favorov about the project After talks in Houston, Dale W. Perry, a US gas executive, said that Favorov had told U then. The Ambassador of S. in Ukraine, Marie Yovanovitch, was probably an obstacle to such a plan.
Yovanovitch testified last week before the legislators of the House of Representatives that she was Naftogaz's current boss, Andriy Kobolyev, as A reformer who combats the widespread corruption in the Ukrainian gas industry
Parnas and Fruman assured Favorov that Yovanovitch would soon be removed from their posts, Perry said.
Weeks later, on May 1
, the men met again in Washington, where Fruman and Parnas again denied a deal with Naftogaz. According to people who are familiar with Favorov's report.
"If it can be removed, anything is possible now," Perry said in an October Washington Post interview. "Where is the rule of law? Where is the stability?
A lawyer from Parnas, Joseph Bondy, declined to comment. A lawyer from Fruman, Todd Blanche, did not respond to requests for comments.
Parnas and Fruman discussed Yovanovitch with Trump at a dinner for top super PAC dispensers in early 2018 at the Trump Hotel in Washington, as previously reported by The Post. The two men identified her as being unfriendly to Trump's interests, and the president proposed to fire her in response, according to Parnas' report on the dinner.
The scope of the federal investigation of Giuliani's business and its employees is unclear. Earlier this year, prosecutors in Chicago, who prosecuted an independent case against Dmytro Firtash, a Ukrainian gas magnate accused of bribery, met Parnas and Fruman, who had offered assistance to their New York counterparts, the Post reported.
Last [Summer] Parnas began working as a translator for Firtash's attorney team, according to Victoria Toensing, one of Firtash's lawyers. Firtash was accused by the Federal Prosecutor's Office of having links with Russian organized crime, and fought against the extradition of Austria to the United States. Firtash has denied such ties and misconduct.