Lawyers for accused 9/11 mastermind Khalid Sheikh Mohammed are urging a federal appeals panel to let his scheduled guilty ...

11 mastermind Khalid Sheikh Mohammed and co-defendants ... at New York's World Trade Center, the Pentagon and a Pennsylvania ...

It's the latest development in the U.S. military's struggle to bring to justice the man charged with planning the Sept. 11 ...

Khalid Sheikh Mohammed and two co-defendants reached deals last summer ... Another plane crashed into a field in Pennsylvania ...

The accused mastermind of the 9/11 terror attacks will no longer plead guilty on Friday, after the US government objected.

WASHINGTON (AP) — Lawyers for accused 9/11 mastermind Khalid Sheikh Mohammed are urging a federal ... and the Pentagon and another crashed into a Pennsylvania field, killing nearly 3,000 people.

WASHINGTON (AP) — Lawyers for accused 9/11 mastermind Khalid Sheikh Mohammed are urging a federal ... and the Pentagon and another crashed into a Pennsylvania field, killing nearly 3,000 people.