kelly o'donnell has details on the fallout. >> reporter: omarosa manigault union is recasting herself from defender to adversary. >> he is truly a racist. >> reporter: her own conduct and credibility are also under scrutiny after she secretly taped john kelly inside the highly secure situation room. >> this is a white house where everybody lies. the president lies to the american people. sarah huckabee stands in front of the country and lies every single day. you have to have your own back. >> reporter: for 15 years -- >> omarosa is a very nice person. >> reporter: her fame and career were intertwined with donald trump. now she expresses regret. >> it is hindsight, but i will say this to you, i was come police -- complicit. >> reporter: she learned about a tape where mr. trump used the n-word during the production of the apprentice, but she had not heard it herself. she told "meet the press" she did but only after her book was completed. >> i heard your voice. >> you heard the tape since publication? >> reporter: she brought another tape of her own to "meet the press," which she made