Autumn Crittendon tragically died at 27 years old, and now, many details regarding her untimely passing have been revealed. According to TMZ, a source close to Crittendon revealed that she was “found unresponsive in her bedroom” on July 20 by her mother and stepfather. This was reportedly after a friend had notified her parents they thought something was wrong. Once she was found, the paramedics were called – but it was too late. While the family is uncertain as to what caused Crittendon to become unresponsive, the insider shared that Crittendon “had been sick,” “complained of “heartburn” and …