AP sources: Boston bomb suspects from Russia region near Chechnya, lived in US at least 1 year
Update 1: Older brother Tamerlan Tsarnaev (killed-black hat) went to Bunker Hill Community College, ambition to become an engineer. His Facebook entry "I don't have any American friends, I don't know why?" Tamerlan Tsarnaev is a boxer and a two time Golden Globe Champion.
Update 1: They are 26 years old and 19. Fox News said Suspect No. 2 who wore the white hat at the Boston Marathon bombings has been identified as Dzhokhar A. Tsarnaev, 19. He hails from Chechnya and had been in the United States for a little more than a year.
A Dzhokhar A. Tsarnaev of Cambridge won city scholarships according to a Cambridge government website.
http://www.cambridgema.gov/citynewsandpublications/news/2011/05/congratulations2011cityscholarshiprecipients.aspx
In February 2011, a Dzhokhar Tsarnaev was named Student Athelete Of The Month at a Cambridge school.
Here is Djohar Social Networking site like Facebook: http://vk.com/id160300242
Chechen's infamous terrorist act is the Moscow theater hostage crisis (Dubrovka Theater) on 23 October 2002 involving nearly 50 armed Chechens and 900 hostages, and resulted in a large death toll mostly due to the effects of an aerosol anesthetic pumped through the building by Russian special forces to render those inside unconscious.