In a December letter to the judge, an assistant United States attorney, Pamela Chen, said prosecutors "did not knowingly present perjured testimony" and diligently investigated the witnesses' accounts.

"The only way we will get results is if we diligently investigate and prosecute not only individuals but the corporations that allow their facilities to be used."

The draft report says the bureau did not diligently investigate the disappearances of the two men.

But the injustices in view are so daunting - and so surreal -that they inevitably exhaust the limits of the realistic theatrical means with which this production diligently investigates them.

"We are diligently investigating the extent to which subscriber information may have been obtained."

Yesterday, speaking to a group of Nigerian bishops, the pope ordered that the church "diligently investigate accusations" of sexual misconduct.

The local police are diligently investigating the affair, but, as yet, no arrests have been made.

The banks persuaded administration officials that they were less well equipped to diligently investigate the background of someone who opens an ordinary checking account.

He asked them to "diligently investigate accusations."

I diligently investigated all of Budapest's most renowned confectioneries, from the vast, mansionlike Gerbeaud to the Muvesz, an intellectual haunt, to the small, ornate 150-year-old Ruszwurm.