Abu Sayyaf is considered the smallest but the most radical of the extremist movements in the southern Philippines.
That dynamic could bolster the regime's argument that they are fighting an extremist insurgency, officials said.
Al-Qaida and those inspired by its extremist ideology have attacked more than two dozen nations.
The men also downloaded extremist literature such as articles on how to make a bomb.
The group will examine topics such as disrupting extremist activity and ways to challenge extremist ideology.
We have a true conservative party, the Democrats, and a nut-job rightwing extremist party, the Republicans.
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What a disappointment to learn that the terrorists were young Muslim devotees of extremist web sites.
The second explanation for General Musharraf's half-measures is that he is afraid of the extremist groups.
He said extremist groups use the Web more as a marketing and communication tool.
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They are our partner in this battle against al Qaeda and its extremist allies.
The FBI investigated but found no evidence of extremist activity and closed the case.
The imam was worried that young people in the city were being corrupted by an extremist.
Tamerlan Tsarnaev was an ardent reader of jihadist websites and extremist propaganda, officials have said.
The Metropolitan Police said his re-arrest was linked to an investigation into extremist internet material.
"The cause isn't in their ethnicity or religion, it's in their extremist sentiments, " he said.
Critics are left with the option of attacking him as an extremist or a phony.
Bulgaria has similarly resisted extremist pressures to foment trouble with its simpatico Slavic brothers in Macedonia.
These include circulating extremist religious material and attempting to promote ethnic separatism on the internet.
Schoen is in no sense a political extremist, yet he is eager to stifle dissent.
U.S. officials say they have evidence that Iran is supplying weapons to Iraqi extremist groups.
But the university and society said there was a threat of violence from outside "extremist groups".
The Metropolitan Police said his breach was linked to an investigation into extremist internet material.
Mr Obama warned that the US would not support extremist elements within the opposition coalition.
Suspicion of America also arose from its joint backing, with Saudi Arabia, of extremist Sunni movements.
Also, Iraqis continue to reject extremist tactics in support of peaceful methods of resolving their disputes.
President Musharraf has been tackling extremist religious groups and banned five of them in January.
They range from proliferation to trafficking in humans and trafficking in drugs, to violent extremist organizations.
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But, as the country splintered, he assumed a role that belied his reputation as an extremist.
That worldview asserts that the world is divided between the extremist Islamic fundamentalists and the moderates.
Singaporean Muslims have seen Mr Zulfikar for the extremist that he is and repudiated him.
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