Thanks eskielover. Good explanation. I think I'm struggling to understand why he will be extradited and not others, because there have been other Brits who've done this
Hacker Gary McKinnon will not face UK charges - BBC News
And people like Terry Waite have spoken out in defence of him, saying that the US should be "grateful" for someone pointing out the weaknesses in their computer systems. Other psychiatrists have said that the 'mind blindness' that some people with autism have, which makes them obsessed with the search for truth, is a disability which led to the crime, so less culpable.
There was another case where a guy committed suicide before he could be extradited. It seems to have happened several times, so there's sufficient case law, but there must be something specific about this incident that's leading them to push for him to go to the US stronger than the others.