some horrifically maimed and three killed. 8-year-old martin richard. 23-year-old lindsey lu and 29-year-old crystal marie campbell. later ambushed and executed sean collier. prosecutors said the brothers were equal partners that they were inspired by radical jihad. >> they came to believe in an ideology of hate. he expressed those beliefs killing, maiming and mutilating incident americans. >> survivors of the attack are beginning to weigh in including mcdonahue a transit officer who nearly bled to death after being struck by a bullet. officer donahue was promoted to sergeant. he writetes 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. a formal sentencing date has yet to be set.