Roman Catholic Archdiocese Of Los Angeles
Advocates ask how teacher Juan Ivan Barajas preyed on the girl years after U.S. Catholic bishops acted to stop sex abuse.
"Katy Perry is used to getting all she wants," the defiant Sister Rita Callanan said.
Hours before her death, Sister Catherine Rose Holzman asked the singer to "please stop" trying to buy the property.
The pop star has been trying to buy the prime Los Angeles property for two years.