. >> reporter: makenzie is reagan's little sister. >> i remember she said she was going to ohio state university. >> reporter: madison, jackie, kiersten and stephanie were her college roommates. >> she had a goofy streak to her. >> yeah. she was hilarious. >> she was always laughing and always making us leopard >> reporter: to earn some extra cash, reagan apply for a job at this popular restaurant called bodega. kirsten and stephanie worked there too. >> she's like i need a job and do you know anything and i said, come work at bodega. >> reporter: died february 2017, reagan was months away from graduation. she made a difficult decision, she and her boyfriend broke up. >> she was so heartbroken that week. >> they really cared about each other. it was hard but it was best for both of them. >> reporter: days later on february 8th, she headed off for an evening shift at bodega. >> it was like normal. i'll see you later. >> reporter: like you have done 1 million times before? >> exactly. >> reporter: reagan's dad expected to get a call from her after work but the call never came? >> no. i