Prince Ranariddh said he based his account, in part, on photographs of the bodies taken at the scene.

The Chronicle based its account of favoritism and profiteering on documents from the car plant, making the articles difficult to dispute.

He based his account on an interview with the athletic association commissioner, who was in the courtroom.

He based his account on specimens obtained from Jamaica, though no type specimens were designated.

Follett based his account on many conversations with the people directly involved, and had the drafts checked by them as well.

He probably based his account on "native" Wendish accounts.

He may instead have based his account on other sources, and even hearsay.

"It only makes sense if Mark was indeed basing his account on the recollections of the eyewitness Peter," he said.

Richard Challoner based his account on this single sheet, but may have had another source, now lost.

Mr. Madden said he based his account on a police reconstruction of the events.