AdvertisementManafort Trial: Accounting Firm Didn't Know About Manafort's Offshore AccountsAugust 02, 2018Miles ParksRyan LucasCarrie JohnsonfacebookEmailHeather 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)