He praised Kavanaugh, saying he was "at a level that we rarely see", but said he supported a review process in the Senate. Grassley said on conservative commentator Hugh Hewitt's radio show.
Committee chairman, Senator Chuck Grassley, said his office has reached out to Ford several times about the Monday hearing and has not yet heard back. "So it kind of raises the question.do they want to come to (the) publichearing or not?"
They include: balancing public interest in the case with treating both sides fairly; establishing a "neutral investigative body with experience in sexual misconduct cases" to probe the allegations and report back to the committee; taking the time to thoroughly examine the case - "That the committee plans to hold a hearing this coming Monday is discouraging", Hill said. They say the hearing should not move forward until that investigation is completed.
Debra Katz, a lawyer for Ford - who only came forward publicly on Sunday after trying to keep her name hidden for more than a month - had said earlier she was ready to speak under oath before the Senate Judiciary Committee.
Meanwhile, Mark Judge, a friend of Kavanaugh's who Ford claims witnessed the assault, said Tuesday he does not wish to testify before the committee. "I think he's very much on track".
It was unfair to Kavanaugh, unfair to his accuser and unfair to Feinstein's colleagues - Democrats and Republicans alike - on the Senate Judiciary Committee. In the letter, Ford said she had received medical treatment after the assault, adding that "it is upsetting to discuss sexual assault and its repercussions, yet I felt guilty and compelled as a citizen about the idea of not saying anything".
Washington State Sen. Patty Murray, the number three Democrat, told reporters that an FBI investigation is necessary to ensure a full and impartial assessment of the accusations.
Christine Blasey Ford, now a clinical psychology professor at Palo Alto University in California, told The Washington Post that a drunken Kavanaugh groped her and tried to take off her clothes at a party when both were teenagers at high schools in suburban Maryland.
Drew Angerer Getty Images
Yet a few Republicans have suggested there may have to be a delay, at least in the Judiciary vote on the nominee - which was scheduled for this Thursday - in order to hear from Ford.
He is "a man of character and integrity" who has been widely lauded by other women, she said.
"Obviously, if Judge Kavanaugh has lied about what happened, that would be disqualifying", she said.
The sexual assault allegations against Supreme Court nominee Brett Kavanaugh recall Anita Hill's accusations against Clarence Thomas in 1991, but there are important differences as well as cautions for senators considering how to deal with the allegations. She said President George H.W. Bush had asked the FBI to investigate Anita Hill's allegations against Thomas. If there is credible evidence that Kavanaugh committed a crime, the American people deserve to know and Ford deserves justice.
Inside the White House, plans are not now being made in case Kavanaugh's confirmation unravels, including identifying a potential replacement nominee, according to a source familiar with the nomination process who spoke on condition of anonymity.
Lawmakers have not made any request for Ford to testify publicly before the Judiciary Committee.
Feinstein referred the information to the Federal Bureau of Investigation but did not discuss it until Ford went public over the weekend.