Senior official : ` ` After any serious incident we evaluate the circumstances '' New security guidance has gone out to U.S. forces across Afghanistan , official says . The December 30 suicide attack killed seven CIA officers and contractors , along with a Jordanian military officer who was the attacker 's handler . Senior official : Intelligence believed to come from ` ` the highest levels '' of al Qaeda . Guidance meant to adjust procedures quickly on a large scale , official says .
Senior official : ` ` After any serious incident we evaluate the circumstances '' New security guidance has gone out to U.S. forces across Afghanistan , official says . Senior official : Intelligence believed to come from ` ` the highest levels '' of al Qaeda . Guidance meant to adjust procedures quickly on a large scale , official says .