Court hears that they hid evidence to protect the younger Tsarnaev brother.
Immigrants imbued with traditional values of masculinity and power can run into problems fitting into a different kind of society.
Residents of Tsarnaev family’s home town say it’s wrong to hang blame on entire ethnic group.
Russia has opted for authoritarian local leaders, rather than risk losing control of its southern frontier.
Attackers identified as Chechens from Russian North Caucasus, though their motives remain unclear.
Chechnya full of traumatised people who’ve suffered torture but are reluctant to get help.
Alarm bells ring as young men slip away to join militant Islamists.