NO ENTRY An officer at the boarded up home of Sergei Skripal, above, where it's believed the double agent
and his daughter Yulia, main pic, could have come into contact with the Novichok nerve agent on a door
Former double agent
Mr Skripal, 66, and his 33-year-old daughter remain in a critical but stable condition in hospital after they were found collapsed in the centre of Salisbury, in Wiltshire, on March 4.
It was not reported how the double agent
Johnny Jebsen, the Abwehr handler for Agent Tricycle, Dusko Popov, was an Allied sympathizer who knew that Popov was a double agent
and had surmised the extent of the Double Cross system.
He was double agent
of US and Al-Qaeda and he was also wanted by our intelligence agencies.
Deceiving Hitler: Double Cross and Deception in World War II, by Kent author Terry Crowdy, looks at how Owens helped to fool Hitler and the Germans after becoming a double agent
for the German Abwehr and Britain's Security Service MI5 in the 1930s.
But Agent Snow's career as a double agent
was the stuff of spy novels.
After rigorous training in France, Chapman parachuted into the English countryside on his first mission and promptly offered himself up to MI5 as a double agent
. Codenamed Zigzag, he traveled throughout occupied Europe, gathering intelligence for the Allies.
The second Welsh double agent
was Gwilym Williams, a police inspector who retired from the force early after falling out with his boss.
Summary: It has been claimed the double agent
who foiled an al-Qaeda underwear bomb plot was a British citizen.
Yemen: Man ordered by Al-Qaeda s branch in Yemen to blow up a US-bound airliner was a double agent
who infiltrated the group and volunteered for the suicide attack, with Saudi intelligence likely playing a key role, US media reported Tuesday.
: The Eddie Chapman Story Tuesday, BBC 2, 11.20pm Eddie Chapman was an ex-Coldstream Guard who turned to crime to fund a lavish lifestyle.