I can see why the US want him especially how the UK treats hackers ....
1994 Two hackers identified as "Data Stream" and "Kuji" break into Griffith Air Force base and hundreds of other systems, including computers at NASA and the Korean Atomic Research Institute. After a cyber-manhunt, Scotland Yard detectives arrest "Data Stream," a 16-year-old British teen-ager who curls up in the fetal position and cries when seized. "Kuji" is never found.
From http://www.roadnews.com/html/Articles/historyofhacking.htm
Court frees man in military hacking case; Andrew Mitchell, for the Crown Prosecution Service, told Woolwich Crown Court that it was "no longer in the public interest" for an expensive and lengthy trial to take place.
From http://www.independent.co.uk/news/court-frees-man-in-military-hacking-case-1295386.html