NEW : `` War is hell , '' Panetta says , but killings wo n't affect strategy . The suspect was treated for a 2010 brain injury but was cleared for duty , an official says . TL;DR President Obama has ordered the Pentagon to review its policy on using lethal force against suspected terrorists in Iraq and Afghanistan. `` The people in these villages are scared , '' one Afghan tells CNN .
NEW : `` War is hell , '' Panetta says , but killings wo n't affect strategy . The suspect was treated for a 2010 brain injury but was cleared for duty , an official says . His medical history will be part of the investigation , NATO commander says . `` The people in these villages are scared , '' one Afghan tells CNN .