The suicide bomber of this attack have been identified. Hats off to the investigators to comb through and identify the guy and his mentors. In fact, Pakistani police have been doing a good job of catching many of these attackers ahead of time and also of identifying them and their group after their dirty deeds.
Not surprising is the fact that the bomber was a Mehsud teenager. However, the report of this Qari Hussain meeting him and brain-washing him to become a suicide bomber in a matter of days is a bit of a surprise. I wish the report had more about his and his family/friends activities and background in Karachi.
Good job indeed, we need lots of improvement in order to do a pre-emptive strike on suicide bombing/bomber.