When the ME report showed fentanyl in her system, I knew right then she had been murdered
"The blockages, combined with her taking the medications Adderall, Xanax and the pain medication fentanyl, caused the mother of one’s death in April 2016, Oswalt said."
https://ew.com/news/2017/02/03/patton-oswalt-michelle-mcnamara-cause-of-death/