The mystery of Stalin's death

In 1978, geologists discovered a family of Old Believers deep in Siberian taiga, the Lykovs.  Now RTD’s film crew braves the same journey into the wilderness to meet the only remaining member of the family, Agafia.

25 years since scientist Valery Legasov, who was investigating the Chernobyl disaster, was found dead in his apartment. We take a close look at his life and reasons of his death.

A quarter of a century since Kim Philby's death, his enigma still haunts scores of people who have struggled to understand whether Philby was a hero or a traitor. Wherever the truth lies, one fact remains: he was a man of incredible stature and integrity.

This man has always loved his profession. He liked helping people. When war broke out he was forced to work under horrible conditions and sometimes even help terrorists… Surgeon Khassan Baiyev has survived, and is still helping people, but his face has changed forever.