panorama
Giuffre, formerly Virginia Roberts, says the Duke of York "knows what happened".
The Strictly winner came under fire after referring to a Muslim prayer gesture as an "IS salute" in one preview clip from the Panorama special.
Ambush came during Panorama documentary on alleged anti-Semitism in party.
BBC Panorama programme hears from eight former HQ officials.
BBC Panorama made some shocking discoveries.
Watching our son struggle with OCD was the hardest thing - but in a strange way accepting the size of the problem helped us tackle it
Hundreds of buildings, including Grenfell, were fitted with plastic foam insulation, Panorama claims.
The Duchy of Cornwall allegedly invested millions of pounds in offshore funds and companies.
The Queen and Bono caught up over offshore investments.