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 the 1980s, thus contradicting the claim that he and Mary Archer had been “happily married” at the time of the trial. Archer never spoke during the trial, though his wife Mary again gave evidence as she had done during the 1987 trial. On 19 July 2001, Archer was found guilty of perjury and perverting the course of justice at the 1987 trial. He was sentenced to four years' imprisonment by Mr Justice Potts. Francis was found not guilty. Prominent journalists admitted to having accepted Archer's hospitality after he was convicted. Archer's mother had died shortly before he was sentenced and