Revelations from the Jeffrey Epstein files are shaking British politics, as UK police search two properties linked to Lord Peter Mandelson, the Labour MP and former UK ambassador to the United States, as part of an investigation into potential misconduct in public office. The development has renewed pressure on Prime Minister Keir Starmer over his 2024 decision to appoint Mandelson as Washington envoy, despite his known ties to the convicted sex offender. Liza Kaminov examines what the latest Epstein files reveal about Lord Mandelson.