• UK PM Keir Starmer faced criticism over Peter Mandelson's appointment as US ambassador due to Epstein ties.
• Documents reveal warnings of “reputational risk" prior to Mandelson's appointment.
• Mandelson was arrested on suspicion of misconduct in public office but has not been charged.

The British government recently released a batch of documents related to the appointment of Peter Mandelson as the UK ambassador to the United States, highlighting the political controversy surrounding Prime Minister Keir Starmer's decision. This comes amid scrutiny over Mandelson's connections to convicted sex offender Jeffrey Epstein, with some documents indicating that officials warned Starmer of a "reputational risk" associated with the appointment. The release includes a due diligence report prepared in December 2024 before Mandelson's nomination, which noted concerns about his relationship with Epstein that extended beyond previous convictions, according to Reuters and South China Morning Post.

The documents released on Wednesday, approximately 150 pages in total, form part of a wider publication of thousands of files demanded by lawmakers detailing Mandelson’s vetting process. Concerns were raised regarding his previous associations, including claims that he had stayed at Epstein's residence while the latter was incarcerated, and had continued to maintain contact with him after Epstein’s 2008 conviction for sex offenses, as reported by India Times and Los Angeles Times.

Mandelson, a seasoned figure in the Labour Party, was arrested on February 23 on suspicion of misconduct in public office, although he has not been charged and denies any wrongdoing. The police investigation is ongoing, and the Prime Minister is under increasing pressure to explain the decision to appoint Mandelson amid revelations about his past. According to documents, the government has claimed that Mandelson misled them regarding the extent of his connections with Epstein, which has intensified the political fallout, as outlined by Le Monde and Reuters.

Starmer has been accountable for the political ramifications of this appointment, which led to allegations of deception against Mandelson. After initial public backlash following the release of documents, Starmer dismissed Mandelson from his role in September 2025. Notably, Starmer has publicly apologized to Epstein’s victims, acknowledging he had “believed Mandelson’s lies,” which has further spotlighted the cloud of controversy hovering over his leadership, as detailed by South China Morning Post, India Times, and Los Angeles Times.