According to CNN it IS against the law to name him (they don't in their version of the story)
http://www.cnn.com/2011/WORLD/europe/06/21/uk.sony.hack.arrest/index.html
Also LuLzSec has no mastermind, from the leaks we saw at:
http://th3j35t3r.wordpress.com/
Its more of a spin-off of anonymous, no central structure, hackers/hacktivsts simply sharing a common goal, so arresting one will not kill the group.







