Defense seeks to make case to spare life of convicted Boston bomber Dzhokhar Tsarnaev . Defense : FBI , who was killed during police showdown , was obsessed with jihad . Dzhokhar Tsarnaev was well-liked , polite and docile , according to witnesses .
Defense seeks to make case to spare life of convicted Boston bomber Dzhokhar Tsarnaev . Defense : Brother Tamerlan , who was killed during police showdown , was obsessed with jihad . Dzhokhar Tsarnaev was well-liked , polite and docile , according to witnesses .