Former British Ambassador to the United States, Peter Mandelson, has been requested to provide testimony to a US Congressional committee investigating the financial dealings of convicted sex offender Jeffrey Epstein, according to a letter from two Democratic members of the House Oversight Committee. The request, made by Ranking Member Robert Garcia and Congressman Suhas Subramanyam, centers on alleged extensive social and business connections between Mandelson and Epstein.
The letter, dated February 13, 2026, states that Mandelson “possessed extensive social and business ties” to Epstein and holds “critical information” relevant to the committee’s investigation into Epstein’s sex-trafficking operations and his network of associates. Garcia and Subramanyam specifically point to instances where Mandelson appears in the 3.5 million files released in recent weeks related to Epstein’s activities. These include reports of Mandelson messaging Epstein with insider information shortly before a major European financial announcement, and a transfer of $85,000 from Epstein to Mandelson and his husband, according to a press release from the Oversight Committee.
“Given the appalling allegations regarding Epstein’s conduct, we request that you make yourself available for a transcribed interview with Committee staff regarding the crimes of Jeffrey Epstein and his co-conspirators,” the letter reads. The committee has requested a response from Mandelson by February 27th.
This request for testimony follows a similar demand made last year to Andrew Mountbatten-Windsor, who has consistently denied any wrongdoing. Mountbatten-Windsor did not respond to the committee’s interview request in November, a failure that prompted criticism from Labour Party leader Keir Starmer, who stated that individuals with relevant information should cooperate with the investigation.
The developments arrive after Mandelson resigned from the House of Lords and relinquished his membership in the Labour party earlier this month, citing his links to Epstein. He was too removed from his position as US ambassador in September due to those same connections.
Separately, Mandelson is currently under investigation by the Metropolitan Police for alleged misconduct in a public office. The investigation centers on allegations that he shared market-sensitive information with Epstein whereas serving as Business Secretary in Gordon Brown’s government in 2009. Police have conducted searches at two properties linked to Mandelson as part of this inquiry, though Mandelson has denied any criminal wrongdoing.