As an example of special circumstances: how's Bradley Manning's trial coming along?
As far as you and I know Mcafee quite possibly killed his neighbour. Why shouldn't the authorities in the country where the crime was committed get hold of him?
If the dead neighbour had been an American celebrity, this argument would sound very different.
Yes it has, in the context of the present argument. Grandparent is saying that because you supposedly are in a "democratic country with an independent judiciary" doesn't mean that you won't be tortured/get a fair trial/etc., and uses Bradley Manning as an example of this.