`` Let their sacrifice be a summons , '' Obama says . Service held Friday morning at CIA headquarters in Langley , Virginia . The bomber was within seconds of being searched by security contractors when he detonated his explosives , a former intelligence official with knowledge of the incident said in January . 7 CIA officers were killed December 30 in suicide bombing in Afghanistan . The attack was claimed by the Islamic State of Iraq and Syria (ISIS) group.
`` Let their sacrifice be a summons , '' Obama says . Service held Friday morning at CIA headquarters in Langley , Virginia . 7 CIA officers were killed December 30 in suicide bombing in Afghanistan . The attack was claimed by the Islamic State of Iraq and Syria (ISIS) group.