Earlier quoted context omitted.
The US wants him badly. It insinuates the rape allegations were to get him extradited to Sweden where he would then be extradited to the US.
I think we have different definitions of what "badly" means when we are talking about the full might of the United States, if they wanted him badly Cathryn would've been making zero-dark-frothy by now. Also the rape charges pre-date most of the embarrassing leaks on Wikileaks, not to mention that a trial in Sweden of all countries is not the place you threaten some one with, and the US-Swedish extradition treaty make…
It would be an enormous risk and an even bigger disaster of international diplomacy to kill an Australian without trial. Grow up.