'The Pentagon said on Tuesday it dropped charges against a Saudi who U.S. officials say intended to be the "20th hijacker" on September 11 but sent five others to trial on accusations they planned the 2001 attacks.
A Pentagon appointee who oversees the U.S. war court at its Guantanamo Bay military prison did not say why she rejected the charges that prosecutors sought earlier this year against Mohammed al-Qahtani.'
