He said he had given Italian prosecutors information regarding the possibly illicit origin of the unidentified objects, which are to be offered at Bonhams on Wednesday as part of an antiquities auction of nearly 400 pieces.
Much of Forcelli's new job involved working with so-called coöperators defendants who, in return for lighter sentences, give federal prosecutors information not only on their own case but on everything they know about any criminal activity.
In the last month, Cardinal Edward M. Egan of the Diocese of New York and Bishop William Murphy of the Diocese of Rockville Centre, on Long Island, have also turned over to prosecutors information on past sexual abuse accusations against priests in their jurisdiction.
Bishop Daily, who had resisted handing prosecutors information about past allegations of sexual abuse by diocesan priests until this month, issued his appeal after a direct request on Tuesday from the Queens district attorney, Richard A. Brown, for his moral leadership.
Lawyers familiar with the case say Mr. Chang has given prosecutors information suggesting that Mr. Torricelli's aides accounted improperly for some of his contributions, and at least two dozen Federal Bureau of Investigation agents have been added to the inquiry in recent weeks.
Christie's, which has turned over to prosecutors information about possible conduct relevant to the investigation, recently changed its commission structure to make it more attractive for sellers to deal with it rather than Sotheby's.
The appeal, in a pastoral letter dated Thursday, was yet another step taken by Catholic bishops in the metropolitan region recently to address the increasing reports of pedophile priests, including giving prosecutors information on past allegations, pledges to immediately report new cases, and changes in how accused priests are to be dealt with.
Under this practice, prosecutors gathered information from informers in the county jail information they were obligated to reveal to the defense but didn't—and then lied about it in court.
Mary O'Callaghan's trial took an unexpected twist Thursday after an official in the Los Angeles Police Department's internal affairs division gave a prosecutor new information about a sergeant who witnessed the 2012 incident, said Robert Rico, O'Callaghan's attorney.
Following the Panama documents publication, an Argentinian prosecutor sought information from the Panama and Bahamas authorities, as part of an investigation that was trying to determine whether Macri intentionally omitted his link to the company.
