this followed a powerful speech that he delivered to bishops and seminaries which the pope talked about meeting with abuse victims, sex abuse victims. the pope said the secrets can thno be maintained. he vowed accountability. we've been watching the pope's movement today from the crowd where the pope will lead his final mass here in the united states on this historic visit. how did the audience react as the pope delivered his various messages? >> reporter: he said god weeps for the sexual abuse of children and those responsible will be held accountable, you could hear the collective jaws dropping. a few people applauded. they were listening on big screen monitors out here.