VATICAN CITY—The former Vatican ambassador who accused three popes and their advisers of covering up for a disgraced American ex-cardinal has challenged the Vatican to say what it knows about the scandal and accused Pope Francis of mounting a campaign of “subtle slander” against him.
Archbishop Carlo Maria Vigano penned a new missive a month after his initial 11-page document sent shockwaves through the Catholic Church. It was uploaded to a document-sharing site late Sept. 27.
