Mother Jones: "Liberals Should Knock Off the Mockery Over Calls to Limit Syrian Refugees" (UPDATE)

[magical thyme]

80. not exactly. it's uncertain whether he was radicalized in the US or in Dagestan.

...a YouTube channel in his name linked to Salafist[185] and Islamist[183][187][188] videos. The FBI was informed by the Russian Federal Security Service (FSB) in 2011 that he was a "follower of radical Islam."[187] In response, the FBI interviewed Tamerlan and his family, and searched databases, but did not find any evidence of "terrorism activity, domestic or foreign."[189][190][191][192][193][194]

During the 2012 trip to Dagestan, Tamerlan was reportedly a frequent visitor at a mosque on Kotrova Street in Makhachkala,[195][196][197] believed by the FSB to be linked with radical Islam.[196] Some experts believe "they were motivated by their faith, apparently an anti-American, radical version of Islam" acquired in the U.S.,[198] while others believe the turn to radicalism happened in Dagestan.[199]


Some analysts claim the Tsarnaev brothers' mother, Zubeidat Tsarnaeva, is a radical extremist and supporter of jihad, who influenced her sons' behavior.[209][210][211] This prompted the Russian government to warn the U.S. government about the family's behavior, on two occasions. Both Tamerlan and his mother were placed on a terrorism watch list about 18 months before the bombing took place.[212]
https://en.wikipedia.org/wiki/Boston_Marathon_bombing#Motives_and_backgrounds