Is There Fentanyl in Vapes? What the Evidence Shows Warning: Fentanyl Contaminated Vape Cartridges Detected The Elsa Police Department has issued a serious warning to the community after recovering vape pen cartridges that tested positive for Fentanyl, a dangerous and potentially lethal MBN: Some vape oil confiscated last week found to contain fentanyl Fentanyl was found in a vaping device seized at North Scott High School. Medical and cannabis professionals say dealers are mixing marijuana with fentanyl more often, and the result could be deadly