00:00A British spy mysteriously disappeared and reappeared as a teacher in Russia.
00:04March 5, 1956, Vienna, Austria, Lionel Krabb had a secret mission,
00:09Investigating Soviet submarines during the Cold War, diving underwater without being detected.
00:15A Soviet ship arrived at the port of Portsmouth.
00:18Krabb jumped into the sea, never to resurface.
00:21The British government denied the mission.
00:23The Soviets said they knew nothing.
00:25A year later a headless and handless body appeared; they said it was Krabb.
00:30Decades later, rumors said that Krabb was captured by the Soviets.
00:33In Russia, some claimed to have seen a Briton teaching at a military academy.
00:39What really happened? Nobody knows for sure; Lionel Krabb remains a Cold War mystery.
