Pope concludes U.S. trip with promise to target sex abuse in the Catholic Church

Pope Francis greets the faithful as he arrives at Our Lady Queen of Angels School, Friday, Sept. 25, 2015, in New York. (AP Photo/Jason DeCrow)

PHILADELPHIA (AP) -- Pope Francis met with victims of child sexual abuse Sunday on the final day of his U.S. visit and promised to hold accountable those responsible for the scandal in the church, delivering a powerful warning to American bishops accused of covering up for pedophile priests instead of reporting them to police.