The terrorists from the [[Boston]] Marathon bombing where originally from Chechnya, but had been in the United States legally. The younger had become a naturalized citizen last year, while the older held a valid green card.<ref>http://www.cnn.com/2013/04/19/us/massachusetts-bombers-profiles/index.html</ref> | The terrorists from the [[Boston]] Marathon bombing where originally from Chechnya, but had been in the United States legally. The younger had become a naturalized citizen last year, while the older held a valid green card.<ref>http://www.cnn.com/2013/04/19/us/massachusetts-bombers-profiles/index.html</ref> |