As the UK has extradited him to Sweden, the Swedes would actually need permission from the UK to extradite him to a third country. Let's also remember, the UK

As the UK has extradited him to Sweden, the Swedes would actually need permission from the UK to extradite him to a third country. Let's also remember, the UK has spent years being the US's bitch when it comes to foreign policy, defence and intelligence matters. I can't think of a single nation in the world who have been more willing to do America's bidding than the UK. It really makes no sense for the US to involve a third party.