Support WBURManafort Trial: Accounting Firm Didn't Know About Manafort's Offshore AccountsPlay03:21Download AudioMiles ParksRyan LucasCarrie JohnsonAugust 02, 2018 ShareHeather Washkuhn, managing director of the accounting firm NKSFB, arrives at the Albert V. Bryan United States Courthouse in Alexandria, Va., on Thursday to testify in the Paul Manafort trial. (Getty Images)