A sweeping report on child sexual abuse inside the Catholic Church was released by the Illinois Attorney General. The report took years to gather and reveals the names of 451 clerics who abused about 2000 children since 1950.

Attorney General Kawme Raoul says prior to the report, Catholic dioceses in Illinois listed 103 clerics as substantiated child sex abusers. The AG’s report found more after reviewing 100,000 pages of church documents and contact making with victims of abuse by members of the church.

The investigation covered reports and documents spanning 7 decades and more than 600 confidential contacts from survivors.