The mere existence of such documents is the most fertile grounds on earth for international extortion.

There was no mention in the report of forged documents - or any suggestion of the existence of documents at all.

He added, however, that the informant could have made up the existence of missing documents.

While the United States has declined to confirm or deny the existence of such documents, it is fighting the legal action.

That documents cannot be defined by their transmission medium (such as paper) is evident because of the existence of electronic documents.

However, when other experts began to seek evidence supporting Boyer's work, he would or could not prove the existence of documents that he cited as essential sources.

Ruppelt also revealed much insider material and thinking, including the existence of previously unknown classified documents and studies, such as the Robertson Panel.

The CIA refused to either confirm or deny the existence of such documents.

They repeatedly deny the existence of documents, copies of which later appear in public.

The existence of such documents were made public in government affidavits, with the names of athletes edited out.