When Deserae Turner didn't come home after school, her mother and friends began texting her incessantly. A massive search ensued, and 47 of her friends were questioned. Turns out her Snapchat may have been the key to the mystery.

In 2006, Elizabeth Shoaf was abducted near her rural South Carolina home. The teenager was missing for over a week, when a text message came through that infused hope into the case. Hear the dark details of Elizabeth's frightening ordeal from those closest to her.