In October, Mountbatten-Windsor was stripped of his royal titles, and he was evicted from his Royal Lodge home in Windsor by February 2026.
Page, who has been outspoken about his time working as a royal protection officer, received a letter from the head of royalty protection, reminding him of his obligations of confidentiality to the Royal family.
The letter was seen as an attempt to silence him at a time when the Met and other forces wanted witnesses to come forward.
Page has since lodged a formal complaint alleging improper communication with him by a senior serving officer, which is being assessed by the force’s directorate of professional standards.
Mountbatten-Windsor was arrested in February on suspicion of misconduct in public office. He remains under investigation by Thames Valley Police.
In May, the force appealed for witnesses to come forward, revealing that the investigation had been widened to include claims of sexual misconduct.
The revelation that the investigation was being opened up and that the force expressed hope that “anyone with relevant information will come forward” was widely interpreted as a sign that officers were struggling.
There have been allegations that former protection officers may have turned a blind eye to some of Mountbatten-Windsor’s activities, particularly when he was with Epstein in New York, Florida and the US Virgin Islands.
In February, the Met said it was “identifying and contacting” former and serving protection officers and asking them to “consider carefully” whether they had seen or heard anything that could prove useful.
Page was convicted of fraud in 2009 while working at Buckingham Palace, where he ran a betting syndicate called the Currency Club and a property Ponzi scheme that involved more than 100 other officers.
He told The Telegraph: “Earlier in 2026, I contacted Thames Valley Police in connection with its investigation and made clear that I had information arising from my first-hand experience as a former Metropolitan Police Royal Protection officer. I received no response.
“I have now formally documented my first-hand information in a written statement lodged with the FBI. That statement sets out matters arising from my experience in Royal Protection concerning Andrew Mountbatten-Windsor, Ghislaine Maxwell and women whose access to Buckingham Palace I personally encountered, together with the relevant chronology and documentary material available to me.
“I consider that I have therefore fulfilled my responsibility as a potential witness by formally documenting and lodging the information with a law-enforcement authority.”
Massie named Mountbatten-Windsor in the US House of Representatives earlier this month as he demanded that men who were friends of Epstein be held accountable.
“We want perpetrators of these crimes to be investigated and prosecuted,” Massie said, reeling off a list which included Jes Staley, the former Barclays chief executive, and David Copperfield, the stage magician, both of whom knew the late paedophile and financier.
“And Prince Andrew, who committed sex crimes in the US,” he added as he pushed to have three million more files related to Epstein released by the Trump administration.”
Page said: “A further factor in my decision is congressman Thomas Massie’s public statement in the US house of representatives concerning Andrew Mountbatten-Windsor and the need for relevant allegations to be investigated.
“In those circumstances, I believe it is my duty to place before an appropriate US law-enforcement authority any information in my possession that may assist congressman Massie and the House in their examination of Epstein-related matters.”
Mountbatten-Windsor has always denied any allegations of wrongdoing.
A Thames Valley Police spokesman said: “Misconduct in public office is a complex crime and requires a thorough investigation. Our experienced team is working meticulously through a significant amount of information. While we cannot go into specific details of our investigation, we are following all reasonable lines of enquiry.”
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