>> reporter: no, he didn't grow up here. this is where his mother moved a few years ago. i interviewed somebody in queens which you know isn't far from brooklyn. the family lived there 11 years ago 2002. one of the women who lived in the building remembered the family. she described them as a very nice, kwie t sh seemingly normal family that didn't have parties. she thought they were polite and kind. she was blown away when she heard the news about alexis. she said it didn't fit his personality at that time. again, that was 11 years ago. he would have been about 23 at the time. >> linda, thank you very much. straight ahead a tightly secured military installation comes under attack. how could it happen? major ge