 The bishop pleaded guilty to child pornography charges and was jailed.Archbishop Anthony Mancini of the Archdiocese of Halifax was named the Apostolic Administrator effective September 26, 2009, and remained in that position until the installation of Brian Dunn on January 25, 2010.The Diocese of Antigonish covers 18,800 square kilometers, comprising the counties of Pictou, Antigonish, Guysborough, Inverness, Victoria, Richmond and Cape Breton.