::*Further research reveals that the Mexican Supreme Court has revised its position on life sentences, and that extradition is now possible. I have therefore deleted the section, since it is clearly out of date.  (Sources: "Wanted Fugitive Raul Gomez Garcia Extradited to the U.S." (US Embassy in Mexico) and Mexico alters extradition rules (BBC News)). There may be merit in a future section explaining the shifting interpretations, but I suggest that this should not be given undue prominence, and should be carefully checked against the nuances of what appears to be subtly shifting jurisprudence. In the meantime, I have added a paragraph to the article on Life imprisonment briefly explaining the history of the dispute, and linked to it from brief note on Article 18 under the new heading "other articles". I hope that this accommodates all viewpoints.