what's your name. >> michelle. >> michelle theer was, no doubt about it, dissatisfied. was, young, successful, attractive, and yet it wasn't exactly boredom that was eating at michelle. after all, she was just startsing a new career as a psychologist, often counseling troubled couples. >> she was relatively new with her license. i think that was her first real job. >> of course, michelle would have laughed at the idea that pretty soon now events would propel her to such notoriety that newspaper reporters like melissa stoddard diaz would be poking around in her past. >> michelle, from everyone i have spoken to, wanted to be somebody and really worked hard to get to where she ultimately got her degree and became a professional. >> but then michelle, even at an early age, always seemed confident about getting what she wanted. she was just 16 when she started dating marty. marty theer was a couple of years older, worldly, bright, friendly. had big plans. he wanted to be an astronaut. he went to the air force academy. ♪♪ >> she was 20 when she married him at the academy's fa

. >> michelle theer rolled the dice. she turned down a deal which would have released her before long. instead, the woman who followed her dissatisfaction to an internet . >>> i'm craig melvin. >> i'm natalie morales. >> and this is "dateline." >> we heard all this talk around the town that jessie was dead. to know that the last moments she spent on this earth she was in so much fear, it's not fair. if he's still out there, he could still be plotting and he could still be hunting. who's next. >> jessie gave her all. to everything she did. >> she was on a mission. >> her whole life. >> and then someone took it all away. >> i was like, jessie. nothing. i jiggled her a little bit and then i knew, this is not good. >> what is the problem? >> my daughter won't wake up. >> she had been murdered in her own bed after coming home from a pool party. a party that hadn't been all fun and games. >> she was 19 and these were men in their 40s. we want to talk to them. >> did something happen at that party? what was happening around thi