Cassie Kay Compton was a teenage girl living in Arkansas when she disappeared without a trace in September 2014. Her mother and stepfather were the last people to see her alive, but their accounts of what happened that evening are conflicting. Adding to the mystery, Cassie was a registered sex offender, her mother and stepfather have criminal records, and she was diagnosed with bipolar disorder. Despite numerous searches and investigations by law enforcement, Cassie's fate remains unknown. This article examines the facts of the case and the unanswered questions surrounding her disappearance.