Because he can't possibly have anything resembling a fair trial in Peru, and even the Peruvians admit it. His lawyer quit because of death threats, and now has changed his mind, no doubt persuaded by the government: a lawyer quitting because of death threats makes Peru look bad. Think what would happen to the lawyer and any judge who did not convict him. It's a done deal, and a no-win situation for Peru, even if they manage to keep him alive until the trial. The day-to-day spotlight on Peruvian justice is showing up the cracks in the thin shabby veneer, and they know it.
Because he can't possibly have anything resembling a fair trial in Peru, and even the Peruvians admit it. His lawyer quit because of death threats, and now has changed his mind, no doubt persuaded by the government: a lawyer quitting because of death threats makes Peru look bad. Think what would happen to the lawyer and any judge who did not convict him. It's a done deal, and a no-win situation for Peru, even if they manage to keep him alive until the trial. The day-to-day spotlight on Peruvian justice is showing up the cracks in the thin shabby veneer, and they know it.