FORMER British agent Willie Carlin has claimed that he saw Martin McGuinness leaving a safe house in Co Derry linked to MI5 in the 1980s.
Mr Carlin makes the claim in his book Thatcher's Spy: My Life as an MI5 Agent Inside Sinn Féin.
However, he says that despite what he saw, he does not believe Mr McGuinness worked for British intelligence.
Mr Carlin worked as an MI5 and British army agent inside Sinn Féin for more than a decade before his cover was blown in 1985.
In his new book he reveals how he supplied information about the party's political direction to The Security Service and later the British army's Force Research Unit.
It has previously been reported that Mr McGuinness had contact with MI6 officer Michael Oatley as part of a secret back channel between the British government and the IRA.
Now Mr Carlin has claimed that he saw the future deputy first minister leaving a house used by British intelligence in 1980.
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He said he himself had previously used the house near Limavady in Co Derry when meeting a handler known as 'Ben'.
It later emerged that ‘Ben’ was Michael Bettaney, who was jailed in 1984 for passing sensitive documents to the Soviet embassy in London and seeking to work for them.
Mr Carlin claims that while in jail in England his former handler revealed his activities to IRA prisoners.
Read more: Who is Willie Carlin?
In the book he says how he was making his way to meet ‘Ben’ in Carnlough, Co Antrim when he drove past the 'spook' safe house he had previously visited.
“As I drove up the road a red Peugeot came out of the gates of the house and headed back into Limavady, coming straight towards me,” he wrote.
“I had the shock of my life, for there in the passenger seat was Martin McGuinness, bent forward as if he was reading or looking at something on his knee.”
Stunned, he said he wondered “what the hell was Martin McGuinness doing coming out an MI5 house” as he continued on his journey.
Several weeks later Mr Carlin was to have an anxious encounter after ‘Ben’ turned up outside the Sinn Féin man's house in Derry.
“One afternoon after seeing Ben I was heading back to Derry to attend a meeting on Cable Street when I spotted Ben sitting in a car outside Martin McGuinness’s house,” he wrote.
“Ben had often told me that if he could meet McGuinness he could 'put him wise' and let him know what was really going on 'behind his back'.”
Mr Carlin recalls how he feared that the MI5 man may be spotted by locals and if interrogated could reveal his role as a spy.
He then approached the handler and urged him to leave the area.
“Listen Ben, I said with some urgency, 'you're sticking out here like a sore thumb and it won't be long before someone arrives and will challenge you',” he wrote.
“'So, for f*** sake get out of here before you get us both killed'.
“That seemed to sober him up a bit because he started his engine and left.”
Later in the book Mr Carlin says that despite what he saw, and claims subsequently made by former FRU handler Ian Hurst, he does not believe Mr McGuinness worked for British intelligence.
“As for Martin McGuinness informing on his comrades, there was never any evidence that he ever did, though the British state counter insurgency strategy certainly started to orbit McGuinness from the late 1970s and early 1980s,” he wrote.
“I think the British became aware sooner than the public imagined that here was a man that they could do business with.”
Mr Carlin said that later in 1980 he decided to part company with MI5 over his distrust of his handler.
Read more:
- Willie Carlin was one of last people to see census collector Joanne Mathers alive
- Stakeknife 'saved my life' says Willie Carlin
- IRA tip-off led to arrest of INLA man behind Droppin' Well bomb, Willie Carlin claims
