Mary, Queen of Scots

Who betrayed the tragic Scottish queen? Kate Williams places seven potential culprits – including Elizabeth I – in the dock

Her life story reads like a Shakespearean tragedy, a sorry tale of rape, murder and treachery. But who should take the blame for Mary, Queen of Scots’ demise? As a film on Mary hits cinemas, Kate Williams, author of a new book on the ill-fated queen, sets out the case against six potential culprits – and Mary herself