Buckingham Palace has indicated that King Charles III is prepared to cooperate with British police as authorities assess new allegations involving his brother, Andrew Mountbatten-Windsor, following the latest release of documents connected to the late sex offender Jeffrey Epstein.

Thames Valley Police confirmed it had received a report filed by the anti-monarchy group Republic, which accused Mountbatten-Windsor of suspected misconduct in public office and a possible breach of official secrets laws. Authorities said the information is being evaluated in line with established procedures to determine whether a formal investigation is warranted.

The complaint stems from material contained in the most recent tranche of Epstein files released by the United States Department of Justice. Emails from 2010 appearing in the documents suggest Mountbatten-Windsor shared details related to his work as a United Kingdom trade envoy. The records indicate he forwarded itineraries, visit reports, and what were described as confidential briefs to Epstein following official trips to Singapore, Hong Kong, Vietnam, and other Asian destinations.

Buckingham Palace responded by underscoring the King’s position. A palace spokesperson said Charles had expressed profound concern over allegations linked to Mountbatten-Windsor’s conduct and affirmed that the royal household stands ready to assist law enforcement if approached.

The renewed scrutiny revives longstanding controversy surrounding Mountbatten-Windsor’s association with Epstein. Previous Epstein-related investigations and court proceedings largely centered on allegations involving young women. Mountbatten-Windsor has consistently and strenuously denied any wrongdoing. Being named in the Epstein files does not in itself indicate criminal conduct.

While trade envoys are not civil servants in the United Kingdom, parliamentary guidance states that the role carries a continuing duty of confidentiality over sensitive commercial, political, or market-related information. The Official Secrets Acts of 1911 and 1989 may also apply, though it remains unclear whether any material referenced in the documents was legally protected.

Mountbatten-Windsor has not publicly responded to the latest allegations.

Representatives for the Prince and Princess of Wales have also expressed concern following the document releases, emphasizing that their focus remains on victims.