boat before he was captured. quote stop killing our people and we will stop" countering the defense's claim that tamerlan was the mastermind and dzhokhar was under his brother's influence. >> they needed to prove as the defense is trying to show otherwise the younger brother was a true partner in every part of this. >> reporter: the defense team, led by attorney judy clark, who successfully fought to keep past clients, including ted. kaczynski off of death row. hoping to spare tsarnaev's life with 17 out of the 30 charges he faces carrying the possibility of the death penalty. defense trying to convince the mostly female jury tsarnaev's role was different from his brother's but adding, quote, there's no excuse. no one's trying to make one. planting bombs at the boston marathon was a senseless act. if tsarnaev is found guilty, the trial will move to the sentencing phase, which could last several weeks. marci gonzalez, abc news, boston. >> marci, thank you so much. prosecutors are calling for the death penalty in a north carolina case. they say they have strong