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His health, unsurprisingly after over a decade of incarceration, is shot, the most recent pictures of him show the appearance of an old, infirm man.
If he is sent to the States it is a forgone conclusion that he will given a life sentence (over 100 years) So his deportation is effectively sending him to his death. The only thing to spare him would be a pardon, possibly Trump would do that, but the present shower, never.
Meanwhile the UK is harbouring in hotels, & feeding, thousands of young men who claim asylum from alleged torture & imprisonment.
Strange world!