Owen Thor Walker is a computer hacker living in New Zealand, who was discharged without conviction despite pleading guilty to several charges of 'cybercrime'. In 2008 he admitted to being the ringleader of an international hacking organisation estimated to have caused $26 million worth of damage. Wikipedia*
On the C-SPAN Networks:
Owen Walker has one video in the C-SPAN Video Library; the first appearance was a 1992 Forum.