"Sensitive documents have gone missing from the consulate in Benghazi..."

"... and the supposedly secret location of the 'safe house' in the city, where the staff had retreated, came under sustained mortar attack."

Other such refuges across the country are no longer deemed "safe."

Some of the missing papers from the consulate are said to list names of Libyans who are working with Americans, putting them potentially at risk from extremist groups....

According to senior diplomatic sources, the US State Department had credible information 48 hours before mobs charged the consulate in Benghazi, and the embassy in Cairo, that American missions may be targeted, but no warnings were given for diplomats to go on high alert and "lockdown"....