Investigators later said carbon monoxide had leaked into the house during the night, and it was ruled a tragic accident.

Investigators later said carbon monoxide had leaked into the house during the night, and it was ruled a tragic accident. People felt awful for her. Donations were raised. Everyone wanted to help her heal. Emily ended up becoming pretty well known. She started a YouTube channel about her trauma and recovery, went on interview talk shows. The whole world saw her as this poor girl who survived an unimaginable loss. But years later, detectives reopened the case. They found Emily's journal, and inside that journal was a detailed plan, step by step, explaining how she intended to kill her friends. She wrote about sealing the basement, blocking exits.