The Cardinal was expected to board a plane for Rome shortly being questioned under oath.
Mr Cavallo was detained in Mexico late last month, just before he tried to board a plane for Argentina.
He was arrested by FBI agents in Chicago in October 2009 while trying to board a plane for Philadelphia.
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But when a suspected terrorist is able to board a plane with explosives on Christmas Day the system has failed in a potentially disastrous way.
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But the official added, "One part of the system that absolutely failed" was that Abdulmutallab was able to board a plane to the United States allegedly with PETN.
Banning, California (CNN) -- How could a man who allegedly had explosives hidden in his underwear have been allowed to board a plane headed for the United States?
He was held at Larnaca airport on Tuesday as he tried to board a plane to Budapest, a day after the US said it had held 10 other suspects.
Martha Heredia was arrested late Wednesday as she was about to board a plane to New York, said Frank Duran, the National Drug Control Agency's director for the city of Santiago.
This in turn fed into shortcomings in the watchlisting system, both human and technological, which resulted in Abdulmutallab not being placed on the watchlist, thereby allowing him to board a plane in Amsterdam for Detroit.
The first public sign that something was wrong was when more than 100 well dressed young women, described as looking like fashion models, gathered at the airport in the Senegalese capital Dakar, intending to board a plane to Tripoli.
As luck would have it, I am about to board a plane to Germany - whose fearsomely effective Mittelstand manufacturers have the perceived advantage of access to a very supportive banking sector, that takes the long term view of their prospects.
Planning Minister Julio De Vido said Uberti was asked to resign because he made a "mistake" by permitting Antonini to board the plane .
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It's like saying, hey, criminals, to board the plane, either go through a metal detector and be checked against the terrorist watch list, or, if you prefer, walk right down that red carpet and take a seat, no search necessary.
Speaking on board a US military plane en route to the two-day Nato meeting, Mr Gates said the new US administration was "prepared... to make additional commitments to Afghanistan, but there clearly will be expectations that the allies must do more as well".
The interest in crop-dusters in Florida is particularly acute because law enforcement sources said one man now accused by U.S. investigators of being a hijacker on board a jet that slammed into the World Trade Center September 11 had wanted to buy a crop-dusting plane there.
I'm on a flight from Newark to San Francisco, and there are three guys on board who have taken over the plane and they say they have a bomb.
The singer, who makes her acting debut in BBC Wales' Dr Who Christmas Special at 1800 GMT on Christmas Day, also linked to a video on You Tube of her performing on board the plane.
Another option: bag matching, meant to ensure that no luggage goes on a plane unless the passenger who checked it is on board.
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