lauren was a appearance dream. a dedicated athlete, studious, not a part here, not a drinker. not active on the dating scene. what were you worried about? anything? >> the only thing i worried about was -- so, i wanted to resort to really safe car. so, that was my only real worry. >> lauren alex on day one of her freshman year. >> so, we were roommates our freshman year. and august, 2015. and we became instant friends. >> alex and lauren hung out together, attended church together, and for the next three years, lauren continue to focus on her studies. her truck events, and her friends. as for boyfriends? not so much. was lauren somebody had a lot of boyfriends? >> i would say no. but i would say she did hang out with her friends a lot. >> then came september 2018, the start of senior ear.