A Girl Erased - Belinda Wyman - Bog

The sister of a missing teen crowd funds a web series that will help her investigate the disappearance of her sister. Her videos go viral but after each episode a mysterious e-mailer sends her a different clue...clues that only a killer would know...as she chronicles her investigation and makes increasingly disturbing discoveries, she begins to realize that she's going down a path that may lead to her own death.