and sean collier and martin richard and lingzi lu. tsarnaev was inspired by radical jihad. >> the defendant was an adult who came to believe in an ideology of hate and expressed those beliefs by killing, maiming and mutilating innocent americans on patriots' day. >> reporter: survivors of the attack are beginning to weigh in including a transit officer who nearly bled to death after being struck by a bullet during the brother's standoff with police in watertown, massachusetts. he was promoted to sergeant and writes "we can finally close this chapter in our lives. the verdict, undoubtedly a difficult decision for the jury gives me relief and closure as well as the ability to keep moving forward." shannon?