What to know about the arrest of Andrew Mountbatten-Windsor

In an unprecedented development for the British monarchy, Andrew Mountbatten-Windsor, formerly known as Prince Andrew, was taken into custody by Thames Valley Police on Thursday morning. The arrest occurred at King Charles III’s Sandringham estate, where the disgraced royal currently resides, on suspicion of misconduct in public office related to his association with the late convicted sex offender Jeffrey Epstein.

The investigation centers on allegations that Mountbatten-Windsor, during his tenure as Britain’s special envoy for international trade, shared confidential government information with Epstein. Evidence emerging from millions of pages of documents recently released by the U.S. Justice Department appears to show the Duke of York forwarding sensitive trade reports to Epstein in 2010, including details about official visits to Hong Kong, Vietnam, and Singapore, as well as confidential briefs on investment opportunities in Afghanistan’s Helmand Province.

This constitutional crisis represents one of the most severe challenges to the House of Windsor in over a century, comparable in magnitude only to King Edward VIII’s abdication in 1936 and the death of Princess Diana in 1997. The offense of misconduct in public office carries a maximum sentence of life imprisonment, though legal experts note the difficulty in securing convictions for this particular charge.

King Charles III has formally distanced the monarchy from his brother, stating in an official communiqué that ‘the law must take its course’ while emphasizing his family’s continued commitment to public service. The monarch declined further commentary on the ongoing investigation.

Police authorities are conducting simultaneous searches at properties in Berkshire and Norfolk, including Windsor Castle where Mountbatten-Windsor resided until recently. Under UK law, suspects can be held for up to 24 hours without charge, extendable to 96 hours, during which time formal questioning occurs and legal representation is provided.

The Crown Prosecution Service must now apply the two-stage ‘Code for Crown Prosecutors’ test—evaluating both the realistic prospect of conviction and whether prosecution serves the public interest—before determining whether to bring formal charges.