US President-elect Donald Trump along with his son Donald, Jr., arrive for a press conference at Trump Tower in New York, as Allen Weisselberg (C), chief financial officer of The Trump, looks on. - As US President Do...

US President-elect Donald Trump along with his son Donald, Jr., arrive for a press conference at Trump Tower in New York, as Allen Weisselberg (C), chief financial officer of The Trump, looks on. - As US President Donald Trump's former lawyer Michael Cohen delivered hours of riveting testimony to a US House committee on February 27, 2019, one name came up again and again: Allen Weisselberg. Weisselberg, 71, is the publicity-shy chief financial officer of the Trump Organization and one of the real estate tycoon's oldest and closest advisors. (Photo by Timothy A. CLARY / AFP) (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

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