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A priest raped a 7-year-old girl while visiting her in the hospital after she had her tonsils removed. Another priest forced a 9-year-old boy into having oral sex, then rinsed out the youngster's mouth with holy water. One boy was forced to say confession to the priest who sexually abused him.

An estimated 300 Roman Catholic priests in Pennsylvania molested more than 1,000 children — and possibly many more — since the 1940s, according to a scathing Pennsylvania grand jury report released Tuesday that accused senior church officials, including the man who is now archbishop of Washington, D.C., of systematically covering up complaints.

The "real number" of victimized children and abusive priests might be higher since some secret church records were lost and some victims never came forward, the grand jury said in the report that is the largest of its kind in the United States.

U.S. bishops adopted widespread reforms in 2002 when clergy abuse became a national crisis for the church, including stricter requirements for reporting accusations to law enforcement and a streamlined process for removing clerics. But the grand jury said more changes are needed.

"Despite some institutional reform, individual leaders of the church have largely escaped public accountability," the grand jury wrote in the roughly 900-page report. "Priests were raping little boys and girls, and the men of God who were responsible for them not only did nothing; they hid it all."

Top church officials have mostly been protected, and many, including some named in the report, have been promoted, the grand jury said, concluding that "it is too early to close the book on the Catholic Church sex scandal."

Cardinal Donald Wuerl, leader of the Washington Archdiocese, was accused in the report of helping to protect abusive priests when he was Pittsburgh's bishop from 1988 to 2006.

Wuerl has disputed the allegations.

At a Mass held Wednesday in Washington on the feast of the Assumption of Mary, Wuerl did not address the accusations against himself, but urged parishioners not to lose confidence in the church over the "terrible plague" of abuse.

In nearly every case, the Pennsylvania grand jury said, prosecutors found that the statute of limitations has run out, meaning criminal charges cannot be filed. More than 100 of the priests are dead. Many others are retired or have been dismissed from the priesthood or put on leave.

Authorities charged just two as a result of the grand jury investigation, including a priest who has since pleaded guilty, though some of those named were prosecuted years ago.

The investigation of six of Pennsylvania's eight dioceses— Allentown, Erie, Greensburg, Harrisburg, Pittsburgh and Scranton — is the most extensive investigation of Catholic clergy abuse by any state, according to victims' advocates. The dioceses represent about 1.7 million Catholics.

Until now, there have been nine investigations by a prosecutor or grand jury of a Catholic diocese or archdiocese in the U.S., according to the Massachusetts-based research and advocacy organization BishopAccountability.org.

"One thing this is going to do is put pressure on prosecutors elsewhere to take a look at what's going on in their neck of the woods," Terry McKiernan of BishopAccountability.org said.

The Philadelphia Archdiocese and the Johnstown-Altoona Diocese were not included in the probe because they have been the subject of three previous scathing grand jury investigations.

As church officials scrambled to defend themselves, the state attorney general's office said its hotline for victims had lit up, fielding more than 150 calls within 24 hours of the report becoming public.

Calls to the hotline in 2016 spurred the grand jury investigation, and Attorney General Josh Shapiro said the investigation is still going on.

The grand jury heard from dozens of witnesses and reviewed more than a half-million pages of internal diocesan documents, including reports by bishops to Vatican officials about the allegations against priests.

The panel concluded that a succession of bishops and other diocesan leaders tried to shield the church from bad publicity and financial liability. They failed to report accused clergy to police, used confidentiality agreements to silence victims and sent priests to "treatment facilities," which "laundered" the clergymen and "permitted hundreds of known offenders to return to ministry," the report said.

The conspiracy of silence extended beyond church grounds: Police or prosecutors sometimes did not investigate allegations out of deference to church officials or brushed off complaints as outside the statute of limitations, the grand jury said.

A former Pennsylvania county prosecutor was fired Wednesday from his job as an attorney for a county youth services office after the report showed that, as Beaver County's elected district attorney in the 1960s, he stopped an investigation into alleged child abuse by a priest to gain political favor from the Pittsburgh Diocese.

Diocese leaders responded Tuesday by expressing sorrow for the victims, stressing how they've changed and unveiling, for the first time, a list of priests accused of sexual misconduct.

James VanSickle of Pittsburgh, who testified he was sexually attacked in 1981 by a priest in the Erie Diocese, called the report's release "a major victory to get our voice out there, to get our stories told."

The report is still the subject of a legal battle, with the identities of some current and former clergy blacked out while the state Supreme Court weighs their requests to remain anonymous.

The report comes at a time of fresh scandal at the highest levels of the U.S. Catholic Church. Pope Francis last month stripped 88-year-old Cardinal Theodore McCarrick of his title amid allegations that McCarrick had for years sexually abused boys and committed sexual misconduct with adult seminarians.

The findings echoed many earlier church investigations around the country that found widespread sexual abuse and attempts to conceal it. U.S. bishops have acknowledged that more than 17,000 people nationwide have reported being molested by priests and others in the church going back to 1950.

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Associated Press writer Claudia Lauer and Michael Rubinkam in Pennsylvania contributed to this report.

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This story has been corrected to show that Wuerl spoke at a Mass on Wednesday, not Thursday.

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The grand jury report: http://media-downloads.pacourts.us/InterimRedactedReportandResponses.pdf?cb=22148