Dzhokhar Tsarnaev and Tamerlan Tsarnaev in photos
PHOTOS of Dzhokhar Tsarnaev, 19, and his older brother Tamerlan Tsarnaev, 26. Are they the Boston Marathon bombers? Tamerlan is dead. He was killed by police in a chase after a MIT campus policeman was shot dead. Dzokhar is on the run. He is naturalised US citizen, who came to the country from Chechnya.