A longtime friend of Christine Blasey Ford’s who allegedly received help from Ford with preparing for a polygraph examination denied the claim made by Ford’s former boyfriend, saying she did not receive such assistance.

“I have NEVER had Christine Blasey Ford, or anybody else, prepare me, or provide any other type of assistance whatsoever in connection with any polygraph exam I have taken at anytime,” Monica McLean said in a statement Wednesday.

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McLean was cited in a sworn statement from Ford’s former longtime boyfriend to the Senate Judiciary Committee.

In the letter, obtained by Fox News, the boyfriend said Ford lived with McLean, her “life-long best friend,” when McLean was interviewing for jobs with the FBI and U.S. Attorney’s Office. He told the committee he personally witnessed Ford help McLean prepare for a potential polygraph examination.

“Dr. Ford explained in detail what to expect, how polygraphs worked and helped McLean become familiar and less nervous about the exam. Dr. Ford was able to help because of her background in psychology,” the former boyfriend wrote.

[Opinion: Conservatives should be cautious about letter from Christine Blasey Ford's ex-boyfriend]

The longtime boyfriend told the Senate Judiciary Committee he and Ford dated for six years.

Ford told the Senate panel during testimony last week that she had “never” given tips or advice to anyone planning to take a polygraph.

Ford herself underwent a polygraph examination in August during which she discussed an allegation of sexual assault leveled against Judge Brett Kavanaugh, President Trump’s nominee to the Supreme Court.

While the results of the polygraph were shared with the Senate Judiciary Committee, Chairman Chuck Grassley, R-Iowa, asked Ford’s lawyers Tuesday for copies of all audio or video recordings produced during Ford’s polygraph examination.

Grassley is also seeking polygraph charts and other data related to the polygraph.