In the annals of the sexual abuse scandals in the Roman Catholic Church, most of the cases that have come to light happened years before to children and teenagers who have long since grown into adults. But a painfully fresh case is devastating Catholics in Kansas City, Mo., where a priest, who was arrested in May, has been indicted by a federal grand jury on charges of taking indecent photographs of young girls, most recently during an Easter egg hunt just four months ago. Bishop Robert Finn of the Diocese of Kansas City-St. Joseph has acknowledged that he knew of the existence of photographs last December but did not turn them over to the police until May. A civil lawsuit filed last week claims that during those five months, the priest, the Rev. Shawn Ratigan, attended children's birthday parties, spent weekends in the homes of parish families, hosted the Easter egg hunt and presided, with the bishop's permission, at a girl's First Communion. The case has generated fury at a bishop who was already a polarizing figure in his diocese, and there are widespread calls for him to resign or even to be prosecuted. Bishop Finn, who was appointed in 2005, alienated many of his priests and parishioners, and won praise from others, when he remade the diocese to conform with his traditionalist theological views. He is one of few bishops affiliated with the conservative movement Opus Dei.