"The FBI will do a supplemental background investigation, then I'm going to call for an investigation of what happened in this committee. Who betrayed Dr. Ford's trust? Who in Feinstein's office recommended Katz as a lawyer? Why did Ms. Ford not know that the committee was willing to go to California?" Graham continued, referring to Sen. Dianne Feinstein, D-Calif., and Debra Katz, one of Ford's attorneys who has been involved in Democratic politics in the past.