Fiona Hill, an expert on Chechnya and the Caucasus at the Brookings Institution describes the history of the troubled region and how the Chechen diaspora got to America.
Boston Bombings Suspects #1 and #2: Brothers Tamerlan and Dzhokhar Tsarnaev
In Chechnya the violence has decreased. But the man who runs the republic, Ramzan Khadyrov, has been accused of human rights abuses and of ordering the killing of political opponents.