Captured Al Qaeda operative, Khalid Sheikh Mohammed, has surprised CIA interrogators with his willingness to spill the details of terror plots in the US, including his network's plans to attack gas stations and suspension bridges in Washington and New York.
But more importantly, Newsweek magazine reported, he has revealed much about the terror group's methods and has named names.
Mohammed identified Pakistani operative Majid Khan as a "key soldier" in the United States.
He told his captors how Khan, who was recently detained by Pakistani authorities, was deployed to America to gather intelligence on potential targets.
Mohammed tasked a relative of Khan to identify proper machine tools to loosen bolts on suspension bridges.
Some in the intelligence community, the magazine said, have questioned whether Mohammed and other detainees may be feeding the Americans disinformation.
But Newsweek quoted sources as saying that the CIA has been able to corroborate much of what Mohammed has said.