[StolarStorm]

The probably don't want him alive. Could be that they were paid to do this by a foreign power and the admin doesn't want an international mess on its hands. Iran funds chechnyan terrorists...

Based on nothing, I have this feeling that the perps aren't all that radical. This was about money; that they are paid operatives.

[rhc2000]

Mercenaries usually want to live and spend their money, not don a suicide vest.

[GSD Lover]

If they were paid operatives, it seems like they would have had enough money to get the heck out of Dodge. :)

Seriously, I think the older brother was a loser, got involved in Islamist jihad as a way to find some kind of purpose in his life (eyes rolling backwards), and then involved his younger brother.

[Mozilla]

Sleeper cells...part of a big group and sometimes the actual bomber doesn’t know the full operation or the plans they just do it.