CNN Anderson Cooper 360 April 23, 2013 05:09:00
Tamerlan tsarnaev. he was born in 1986 as a chechen refugee in curring stan. in 2001 his family moved to dagestan, and a year later the family, with younger brother dzhokhar moved to the united states. but tamerlan only moved to the u.s. in 2003, and there his passion was boxing. in 2009 he competed in the golden gloves tournament, losing in the first round. and even then he considered himself a devout muslim. but by 2011, his religious fervor had grown. he was praying five times a day, but also growing increasingly frustrated with his american life. now that same year, the fbi interviewed tam...