>> reporter: stacia grossman knew her from childhood. >> she didn't like being center of the attention but liked creating a great atmosphere to have a great time. >> reporter: michelle was a cheerleader in high school and straight a student. jennifer powers felt drawn to her. >> she had this kind of bookworm side to her. she was very studious and goal-oriented. she was also just a great person to be around, a fun, happy spirit. and you know someone that i wanted to spend a lot of time with. >> reporter: lots of people did. and when she chose a college far from home, north carolina state, she w...