Josslyn Hay, 22nd Earl of Erroll, was shot in Kenya in 1941. Hear the truth about this unsolved murder and why the only suspect was acquitted.

Tsar Nicholas II and his family were killed by Bolsheviks in July 1918. But did daughter Anastasia survive? An incredible theory suggests that she escaped.

Prince George, Duke of Kent - the Queen's uncle - died in a plane crash in 1942. A promiscuous socialite and a drug user, was he in fact murdered? English

King Ludwig of Bavaria's unstable behaviour saw him deposed from the throne in 1886. Days later, he was found dead. Was it suicide or murder?

Sordid speculation dogged the life of Prince Albert Victor - he was even a suspect in the 'Jack the Ripper' case. Discover the truth here.

King George V's death in 1936 was later revealed to have been hastened by his physician. What were his motives and did he also euthanise the King's sister?