Columbus did not allow Castanheira to come aboard, and Castanheira announced that he did not believe or care who Columbus said he was, especially if he was indeed from Spain. After two days, Castanheira released the prisoners, having been unable to get confessions from them, and having been unable to capture his real target, Columbus.
Columbus denied Castanheira entry, and Castanheira asserted that he didn't trust Columbus' assertions, especially if they were authentic and of Spanish origin. After two days, Castanheira freed the prisoners, having been unable to extract confessions from them and failing to capture his real target, Columbus.