FILE - This file photo provided Friday, April 19, 2013 by the Federal Bureau of Investigation shows Boston Marathon bombing suspect Dzhokhar Tsarnaev, charged with using a weapon of mass destruction in the bombings on April 15, 2013 near the finish line of the Boston Marathon. On Thursday, Jan. 30, 2014, U.S. Attorney General Eric Holder authorized the government to seek the death penalty in the case against Tsarnaev. (AP Photo/Federal Bureau of Investigation, File)

Tsarnaev guilty on all charges in Boston Marathon bombing

The defense strategy is to try to save Tsarnaev’s life in the upcoming penalty phase by arguing he fell under Tamerlan’s evil influence.