Mary Archer evidence at the High Court in a libel case brought by her husband against the "Daily Star" newspaper, which claimed Jeffrey had slept with a prostitute called Monica Coghlan. During his summing up at the end of the trial, the judge, Mr Justice Caulfield, asked: "Has she elegance? Has she fragrance? Would she have, without the strain of this trial, radiance?" In 2001, when Jeffrey Archer was accused of having committed perjury in the 1987 trial, she appeared at the Old Bailey to defend him. Jeffrey Archer was subsequently convicted and imprisoned for perjury and perverting the course of justice.
Jeffrey Archer Conservative Party in a by-election on 4 December 1969. Archer beat Ian Gow to the selection after winning over a substantial proportion of younger members at the selection meeting. The national party had concerns about Archer's selection, specifically relating to the UNA expenses allegations made by Humphry Berkeley, himself a former Conservative MP. Berkeley tried to persuade Conservative Central Office that Archer was unsuitable as a parliamentary candidate. However, Archer brought a defamation action against Berkeley and the story was kept out of the press, although a truncated version of the story did appear in "The Times". The case was