Since joining South Wales Ms Paul has been leading the protective services portfolio, which covers crime, specialist operations and intelligence, along with the force's Olympics preparations.

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And so it is just as likely that local police will find out about these through community policing, their relationships with the community, through ordinary criminal investigations which may bring them - as we had a case in California -into contact with something that turned out to be more than ordinary crime, or through dedicated intelligence activity.

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It said the new single command structure had increased accountability, with better-trained and more experienced staff and improved, centralised intelligence and crime management.

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Strategy was being co-ordinated across Whitehall, she added, while the proposed new National Crime Agency would, for the first time, "pull together the complete intelligence picture" and work with the police and other law enforcement agencies to co-ordinate a national response.

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