Prince Andrew met Jeffrey Epstein, the billionaire paedophile, at least 10 times over the course of their 12-year friendship, according to an investigator.

Mike Fisten, a former police detective sergeant in Florida, claims Epstein had up to 13 phone numbers for the Queen’s second son.

Fisten, now a private investigator who pursued Epstein for more than a decade on behalf of his victims, said he found an address book at the billionaire’s home in Palm Beach, Florida, that was “a treasure trove of Jeffrey’s activities”.

He said of the address book: “It really took us out of south Florida and took us around the globe . . . for instance, if looking at the section in London, you could pick out the Duke of York,