. >> reporter: she was captain lynn armstrong reister. army veteran debbie moore was one of her best friends. >> lynn was very intelligent. she knew how to bring out the best in people. i just loved her. she was someone to be inspired by. she inspired people. >> reporter: so she had a big role in the military. >> very big role, yeah. >> reporter: she was in charge of the air defense artillery in saudi arabia. >> when they were in saudi and we had the patriot missiles, she would be the one that would make that decision on what was coming in, if it needed to be taken out of the sky. >> reporter: captain reister earned medals and promotions and the loyalty of the men and women un der her command. that loyalty cut both ways, according to her assistant megan ayers. did she take good care of her >> absolutely. she did welfare checks where you would, you know, she would visit with families. she would meet with the different wives and things like that. >> reporter: was she the perfect candidate for the army? >> she was, in my opinion. she didn't l

. >> reporter: lynn armstrong reister, mother, soldier, beloved commander, was in her bedroom, lying dead in a pool of blood. >>> when we return -- >> my first instinct was to grab triston and run out of the house. >> it almost made me sick. i was on the floor. >> where will investigators start? >> it could be a neighbor. it could be a lover. it could be anybody. >> you had a killer on the loose. who is? buone takes baat oli garde beusthere's nothin a meal wh the ly exaybe anoer gat mealwith theyy one ne ch one dious ee aturlace star at 2.99 may all your tomorrow's be as delicious as todayol >>> reister s littlebo trion homatneime toet ild ldveveo see. that found her. end into t d isnd edn.a was tg .orteon pregtaed ath,shed >>t stinaso ab trn tanthenscreamin and ye i probabked adman out there. wi 't kw wheg you need to ndoder i n't enake her pulse. >> hmeaty called 9nd brou ton ihistatemsa ddy tookfaand, y , oin. epteon decti. diyou k pr wt me thi hous >>id, ok sne taginher mayb er l di fe or how t ha bee ort: bborngtake n we ay d . ee th snst is w a rgrobberon dhek-rougdlo a a we of