The grand jury's investigation and conclusions have been at the center of a fierce legal battle that has played out for months, largely under court seal. The report is expected to document allegations involving clergy, their superiors, and others in the Dioceses of Pittsburgh, Allentown, Erie, Greensburg, Harrisburg, and Scranton. The state's two other dioceses — Altoona-Johnstown and the Archdiocese of Philadelphia — have already been scrutinized in past investigations.