Dead Boston Marathon 'bomber' was avid boxer, family members claim he was bad influence on younger brother
By DAVID K. LI
Last Updated: 3:56 PM, April 19, 2013
Posted: 3:54 PM, April 19, 2013
AP
Tamerlan Tsarnaev, 26, left, and Dzhokhar Tsarnaev, 19.
The Boston Marathon bombing suspect...