Letter From 9/11 Mastermind Khalid Sheikh Mohammed Reaches White House

Smoke billows from the twin towers of the World Trade Center in New York on Sept. 11, 2001. Saudi Arabia and its allies are warning that legislation allowing the kingdom to be sued for the 9/11 attacks will have negative repercussions. AP Photo/Gene Boyars

Khalid Sheikh Mohammed, the mastermind of the Sept. 11 terrorist attacks, wrote a letter to President Barack Obama that ended up at the White House this week.

CBS News reported that officials confirmed his letter arrived at the White House, but further details were not revealed.

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