Documents show the late Cardinal Anthony Bevilacqua vowing not to tolerate "even the appearance of disobedience" from the pastor.
Monsignor Michael Picard was punished for complaining when the priest was assigned to his Newtown parish in 1996. In disciplinary meetings with the cardinal, Picard said he had heard disturbing information from reliable sources.
Prosecutors say the subject of Picard's concern was sent elsewhere—but was accused in 2005 of sexually assaulting a minor in 1982. The priest died in 2006.
Monsignor William Lynn is charged with child endangerment for allegedly helping the archdiocese keep predators on the job. Lynn served as secretary for clergy from 1992 to 2004.