Previously secret documents released by the British government show that ballerina Margot Fonteyn was heavily involved in a failed coup in 1959, led by her Panamanian husband Roberto Arias.
Roberto Arias was trying to assemble men and arms for an attempted invasion of Panama.
Newshour's Claire Bolderson spoke to Meredith Daneman, author of a biography of Margot Fonteyn.
She began by asking her if she suspected Margot Fonteyn's shady past.
First broadcast 28 May 2010