the Boston bombings

RT goes to Caucasus for Tsarnaev brothers' local background

Police now have to answer whether the brothers were linked to an extremist group, headed by Russia's most-wanted man - the Chechen Islamist militant Doku Umarov. The suspects' family claims they had been under FBI surveillance for the past 5 years, and refuse to believe the young men carried out the atrocity. RT travelled to the North Caucasus, where the brothers' parents now live, to learn more about their background