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Ex-MI6 terror chief: 'Incredibly hard' to stop attack

The former head of counter-terrorism at MI6 has said he believes it would have been "incredibly hard" to prevent the killing of Drummer Lee Rigby in Woolwich.

Both Woolwich suspects were known to security services, government sources confirmed yesterday to ITV News UK Editor Lucy Manning.

Richard Barrett told BBC Two's Newsnight programme that two suspects "probably didn't have any intention to commit a crime like this until relatively recently".

I assume that these people are probably coming out of a small group without, necessarily, any overseas connections or any other broader connections in the United Kingdom which could come to the attention of the security services more than they did.

When does a person who expresses radical views, who joins a radical group, flip over to over to be a violent extremist?

To find the signals, the red flags as it were, I think is enormously hard.

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'Fifty intelligence agents to give DNA'

Gareth Williams
Gareth Williams

The Telegraph and the Daily Mail are both reporting that up to fifty MI6 officers may give DNA in continued investigations in to the death of Gareth Williams.

The papers say that 15 members of the security service have already provided samples.

There was one source of unidentified DNA found in Mr Williams flat.

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