. >> this is igor seung-hui dagen, the scientist who was brought to britain for part of a swap of a ring of undercover spies in america. the glamorous and the chapman, one of the 11th russian spies -- the glamorous ann a. chapman, one of the 11 russian spies in the u.s.. after they were discovered and confess, they were returned to russia last month, the largest spy swap since cold war days. but igor, by contrast, was in a russian prison camp, jailed for espionage. he has always insisted he never committed it. after 11 years in prison, he was from almost overnight to end up in prison. -- in britain purify >> how did you find out you were going to -- in britain. >> how did you find you were going to be part of a spy swap? >> my first feeling was that i definitely did not want to leave russia. that was not the most desirable thing for me. i definitely wanted to be free, but i wanted to be free on just ground. these pictures are very symbolic. >> during the 11 years he spent in a russian jail, half of it in a prison camp in the arctic, his spirits were bolstered by actions of amnesty intern