capture an isil senior leader known as abu sayyaf and his wife umm. abu sayyaf was involved in isil's military operations and helped direct the terrorist organization's illicit oil, gas and financial operations as well. abu sayyaf put up a fight and was killed. his wife was captured and is in u.s. military detention in iraq. secretary carter says no u.s. personnel were killed or injured during this operation. as for that yazidi woman who appears to have been an isis slave, the obama administration says they hope to reunite her with her family as soon as possible. >> that comes as welcome news indeed. why not a drone strike if we knew precisely where this isis leader was hiding? >> reporter: that certainly has been more of the obama administration's modus operandi in fighting the islamic state terror group or isis. one former national security advisor during the president george w. bush administration