Guest Avail LTC Sargis Sangari
We are what we consume.  Anyone who consumes extremist materials which are the embers of hate can recruit like-minded individuals and use social media to promote the execution of these type of attacks.  Add to this that the person executing the attack wants to build his brand name to outdo the Norway shooter and we now have the ingredients for this type of an attack.
V/r

LTC Sargis Sangari, USA (Ret.)
CEO, NEC-SE
Founder, UAA