U.S. investigators did not identify these men until much later.

From what U.S. investigators said, it wasn't likely he ever would.

A master of bluster, he will certainly be taking US investigators' questions badly.

(US federal investigators never got wind of this alleged maneuver.)

He has agreed to help U.S. investigators in exchange for reduced charges.

U.S. investigators found no mechanical flaw with the aircraft, and human error was determined to be the cause.

The US investigators can no longer rely on the legal opinions concerning torture and other interrogation techniques written since 9/11.

Several also said they supplied information about the smuggling to U.S. investigators.

US investigators have attempted to find out if some of the laundered money originated with Menatep.

China also vowed to cooperate with U.S. investigators to find the "real cause" of pet deaths.