Home Office security and counter-terrorism head Charles Farr told the committee that existing provisions had been "overtaken by technical changes in the communications industry and in the way people use communication, with the result that the data that public authorities have had access to in the past is no longer as readily available to them as it used to be".
This week, the United States took its first step to address the problems with the arrival in Baghdad of Paul Bremer, a former head of counter-terrorism in the State Department, to replace General Jay Garner as head of the Office of Reconstruction and Humanitarian Assistance in Iraq.
He also served as the head of counter-terrorism within Scotland Yard, with both national and international responsibilities.
Next up, despite starting the day resolutely determined to hang on, was John Yates, the head of counter-terrorism.
The province's police chief said the head of counter-terrorism and the chief of traffic police were among the dead.
He also served as the head of counter-terrorism within Scotland Yard and joined the Devon and Cornwall force as Deputy Chief Constable in April 2010.
BBC: Shaun Sawyer confirmed as Devon and Cornwall police chief
Paul Bremer, a former head of counter-terrorism at the State Department, will be senior to Jay Garner, the retired American general who was hitherto America's top man in the country.
She plunked Elmo's head on the counter and returned with the body a furry red pajama suit with separate hands and feet.
Mohammad Aslam Khan, head of Karachi counter-terrorism cell, told the BBC that the attack was "clearly targeted" at the Bohra Ismaili Shia community, from which most of the dead and injured came.
"We have determined that there is sufficient evidence for a realistic prospect of conviction and that these charges are in the public interest, " said Sue Hemming, head of Special Crime and Counter-Terrorism at the Crown Prosecution Service.
But Bob Quick, head of Scotland Yard's Counter Terrorism Command, said the ruling was "catastrophic".
Det Ch Supt Tony Porter, head of the Greater Manchester Police Counter Terrorism Unit, has received a Queen's Police Medal (QPM).
"There is sufficient evidence to prosecute Michael Adebowale and it is in the public interest to do so, " said Sue Hemming, head of the Crown Prosecution Service's Special Crime and Counter-Terrorism Division.
Romney did not land a strong counter blow, obfuscating with braggadoccio about his executive prowess balancing budgets as head of the Salt Lake City Winter Olympics, his career in business and as governor of Massachusetts.
Counter-terrorism adviser John Brennan will be replaced by Lisa Monaco, former head of the justice department's National Security Division.
Saints hit back immediately, Shane Geraghty, playing at full-back, counter-attacking from deep and initiating a sweeping move which ended with loose-head prop Tonga'uiha burrowing over.
So if you are planning to take money out at the airport - whether it is a UK or international airport - head over to the ATM and walk straight past the bureau de change counter.
Carmarthenshire council head Mark James is being sued for libel by Jacqui Thompson and he is counter-suing her.
Last week, David Cameron, UK prime minister, and James Murdoch, chief operating officer of News Corporation and former head of News International, both used spending quality time with their children to counter criticism of their efforts at work.
FORBES: Sorry, James Murdoch: You Can't Scapegoat the Kids to Excuse Professional Failings
The head of the civil rights group Liberty, John Wadham, admitted it would be counter-productive to allow all those targeted by the police to find out if their phones were tapped.
Paul Danao, head of business development for American Imaging Management, part of insurer WellPoint, says self-referring doctors counter the price cuts by Medicare and private payers by trying to make it up on volume.
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