NEW YORK, NY - NOVEMBER 30: Preet Bharara, U.S. Attorney for the Southern District of New York, speaks briefly to reporters at Trump Tower, November 30, 2016 in New York City. President-elect Donald Trump and his transition team are in the process of filling cabinet and other high level positions for the new administration. (Photo by Drew Angerer/Getty Images)
Head of Ukraine's tax and customs service Roman Nasirov, who is under investigation over the suspected embezzlement and who according to several unconfirmed local media reports recently suffered a heart attack, during a court hearing in Kiev. Ukraine, Monday, March 6, 2017. (Photo by Danil Shamkin/NurPhoto via Getty Images)