Bombing Suspect Cites Islamic Extremist Beliefs as Motive - NYTimes.com
▻http://www.nytimes.com/2013/04/24/us/boston-marathon-bombing-developments.html?nl=todaysheadlines&emc=edit_th_20
But they said some of his statements suggested that the two brothers could represent the kind of emerging threat that federal authorities have long feared: angry and alienated young men, apparently self-trained and unaffiliated with any particular terrorist group, able to use the Internet to learn their lethal craft.