The goal was to use any tool at their disposal — immigration detentions, material-witness warrants — to stop crimes before they took place.
But the traditional meticulous, step-by-step F.B.I. investigation is giving way to quick decisions to detain people on any available grounds: immigration violations, material-witness warrants — anything to defuse potential threats.
The roundup that followed the attacks, conducted with wartime urgency and uncommon secrecy, led to the detentions of more than 1,200 people suspected of violating immigration laws, being material witnesses to terrorism or fighting for the enemy.
The new paradigm encouraged the arrests of people thought to be dangerous for, as Mr. Ashcroft put it, "spitting on the sidewalk," or for immigration offenses, or as material witnesses.
But Maná, with its mix of love songs and more pointed political material about immigration and the environment, has been playing sold-out concerts across the United States for decades, selling millions of records in the process.
And despite claims by the United States government that Mr. Arar's removal to Syria was mainly an immigration matter, the new material suggests that the Central Intelligence Agency led the action.
That material includes immigration records showing Iranian officials leaving and entering Argentina under false names around the time of the bombing as well as telephone records of calls between Iranian Embassy officials and suspected Hezbollah members living in the triple frontier area where Argentina, Brazil and Paraguay converge.
For The Record Los Angeles Times Thursday, August 22, 2013 Home Edition Main News Part A Page 16 Editorial Desk 1 inches; 24 words Type of Material: Correction Immigration: An Aug. 11 editorial incorrectly identified a legal organization as the California Bar Assn.
Finally, the paper confronts the empirical material with existing immigration policy theories to explore the role of political systems on immigration policy-making.
The EU is only part of its work, but there is already plenty of material, particularly about immigration, to read.
