The mass spectrum on the analyte in these deaths corresponded never to fentanyl, but to acetyl fentanyl. The structural similarity amongst fentanyl and acetyl fentanyl is believed to get brought about the Phony optimistic fentanyl ELISA success that were observed at the Rhode Island Department of Health and fitness Laboratories. https://fentanyl-button51505.tinyblogging.com/the-greatest-guide-to-fentanyl-bust-california-83905095