Police believe Ryan Cleary, 19, had ‘significant role’ in hacker group LulzSec which is thought to have attacked CIA website
Investigators believe a teenager arrested at his family home in Essex may have been a “significant” figure in a computer hacking group alleged to have staged attacks against websites belonging to the US government, the electronics giant Sony, and an elite British crime unit.
Scotland Yard cybercrime detectives were questioning Ryan Cleary, 19, over the attacks carried out by the LulzSec group, which mostly targeted websites belonging to institutions and companies in the US
http://www.guardian.co.uk/technology/2011/jun/21/hunt-hackers-us-government-essex-teenager