Editor's note: The trial for Dzhokhar Tsarnaev, one of the suspects in the 2013 Boston Marathon bombing, began on March 4, 2015. If convicted, 21-year-old Tsarnaev faces the death penalty. Back in 2013, GlobalPost went to the Tsarnaev brothers' childhood home in Kyrgyzstan to find answers.

TOKMOK, Kyrgyzstan — As US investigators searched for motives for the Boston Marathon bombings, GlobalPost looked for possible answers in suspects Dzhokhar and Tamerlan Tsarnaev's childhood home in this mountainous former Soviet republic.