Dzhokhar Tsarnaev, who survived and was captured by the police said that they were motivated by the extremist Islamic beliefs and the war that was being led by the United States in Iraq and Afghanistan. He revealed that they worked independently and no external terrorist groups were involved. They learned to make the bombs from an online magazine by the Al-Qaeda affiliate in Yemen known as Inspire.3 It is also alleged that the two brothers contemplated suicide bombings. Ultimately, the duo decided to use the pressure cooker bombs. Dzhokhar also said that they wanted to defend Islam against the United States which led the Iraq and Afghanistan war, which they saw it to be against Muslims.4