In 1972, the US Embassy in West Germany received a letter in broken English from a Polish colonel. For the next 10 years, he worked as a secret agent code-named Jack Strong. Show more
Discover 11,128,835 listings and 279,585 playable programmes from the BBC
In 1972, the US Embassy in West Germany received a letter in broken English from a Polish colonel. For the next 10 years, he worked as a secret agent code-named Jack Strong. Show more