claiming responsibility for the shooting deaths of two americans believed to be u.s. military officers. these victims were reportedly killed inside the afghan ministry and the taliban is saying those deaths were indeed a planned retaliation for the koran burnings at a nato military base last weekend. nbc's atia abawi is joining us from kabul. let's talk about these two victims. do we know who they are and what transpired leading to their deaths. >> reporter: hi, alex. what we do know is very little information we have gotten from officials from here and the pentagon in washington, d.c. they were military officers one was a colonel and the other was a major. they were work as advisers side by side along the afghans trying to train them and trying to build up their government and their military forces here. what we've heard is there were gunshots within the offices where those advisers were