Some witnesses to the events question the official timeline.

"You did not hear a single witness questioned about whether they were corrupted," he said.

Thereafter, Sir Winston will call witnesses question them, followed by a cross-examination by Leslie.

Committee members and witnesses questioned the adequacy of coordination efforts, the speed of charity distribution and the fairness of how money is being spread among families.

The only other witness questioned was the porter who worked in Stuckart's apartment block.

Mr. Walsh's staff fears that witnesses will question the legitimacy of immunity that might be granted by the prosecutors and might refuse subpoenas.

Today some witnesses questioned whether Mr. Corniel had been the victim of a jittery security detail.

A witness has questioned Ms. Stewart's account of her sale of 4,000 shares of ImClone as a federal investigation intensifies.

Her husband, Emiliano, and witnesses questioned the actions of the police, saying that if more caution has been used, Mrs. Nunez would not have been killed.

Other witnesses questioned in the investigation have corroborated some of those claims, these people said.