and where, later that morning, at minot state's department of nursing, professor diane scholl wondered why one of her students hadn't shown up for an exam. >> before we all started taking the test, i said has anybody heard from angela? >> reporter: angela was this woman. >> my name is angela wilder. i am a student nurse with msu and i will be assessing your cardiovascular system today. >> she was just this sweet, little, southern girl. always yes, ma'am and no, ma'am. >> reporter: angela wilder was, in addition to a nursing student, a mother of three. who, just days before, had revealed to her professor that she was pregnant. >> did you have any advice for her? >> well, we talked about how stressful school is. and we talked about, you know, her not feeling well. and then, that's when i just told her, yes, she's expected to come to class. but if she couldn't, she needed to call and let me know. and we would just make other arrangements. >> reporter: but that morning, no call. no angela. was she ill? class was over. before one of diane's students dropped a kind of bombshell. >> she said,