Ali al - Marri due to appear in court on Tuesday ; he 's charged with conspiracy . Last year Supreme Court rejected al - Marri 's challenge of presidential election . Al - Marri , a U.S. resident originally from Yemen , has been in custody for 7 years . He 's accused of being a ` ` sleeper agent '' for al Qaeda who trained at terror camp .
Ali al-Marri due to appear in court on Tuesday ; he 's charged with conspiracy . Last week Supreme Court dismissed al-Marri 's challenge of presidential authority . Al-Marri , a U.S. resident originally from Qatar , has been in custody for 7 years . He 's accused of being a `` sleeper agent '' for al Qaeda who trained at terror camp .