USA : Judge found there were suspicious elements in Paolo Gabriele 's case . USA : Gabriele is placed under house arrest pending a possible appeal . NEW : ` ` There is a concrete possibility that the pope might pardon him , '' says official . A report based on the leaked papers revealed corruption claims within the Vatican hierarchy .
NEW : Judge says there were mitigating circumstances in Paolo Gabriele 's case . NEW : Gabriele is placed under house arrest pending a possible appeal . NEW : `` There is a concrete possibility that the pope might pardon him , '' says official . A book based on the leaked papers revealed corruption claims within the Church hierarchy .