Priests and others within the Portuguese Catholic Church sexually abused more than 4,000 children over the past 70 years, and more than 100 priests suspected of child sexual abuse are still active in church roles, investigators estimate.

An investigation report published this month by the Independent Commission for the Study of Child Sexual Abuse in the Portuguese Catholic Church found that priests and others have likely sexually abused 4,812 children within the church since 1950.

Through an online survey, investigators validated 512 victim witness statements and “estimate that the 512 victims knew of or were in contact with close to 4,300 other victims.”

“[T]he vast majority of cases took place on more than one occasion against the same child, to many thousands of instances of abuse,” the report states.

In a statement, Bishop Josè Ornelas apologized for the church’s failure to grasp the extent of the problem, promising…