"Suicide Bomber's" are brought up usually in an under-privileged environment where they see a lot of struggle of people who are not financially well they meet people who believe that is because of their religion is not being accepted by various communities or other religions and they are the one who is responsible for all the troubles in their life's, they do so by misinterpreting their religious books and from various sources and start connecting to the content of such things where they support their belief system.
The root cause is they are from the very beginning nurtured in such a group whose majority of people believing in things like they have to fight back for their right, their families would not have to live like that because some groups will take care of them if he/she do as they are instructed and trained, They would be called martyrs as they are doing something for the greater cause of God and it's people. They don't think they are terrorist but they are soldiers who has to fight for their own people and their religion.
Also, some people rather have more temperament issue than others which is hereditary to them. Similarly, a child born into the family of terrorist think that it is logical to do this certain thing from the time they are born and the anger and responsibility comes from within. I believe both the nature/nurture perspective are working in equal aspects for making a person extremist(in this case, a suicide bomber)
Based upon your personal observations and exposures via the media describe the behavioral-cognitive process of a...