"Illegally Manufactured Fentanyl Driving Worsening Opioid Epidemic: CDC " KTLA

"In all, there were 70,237 drug overdose deaths in 2017. Opioids were involved in 67.8%, or 47,600 of those deaths. Of those opioid-involved overdose deaths, 59.8% of them, or 28,466, were due to synthetic opioids."

https://ktla.com/2018/12/22/illegally-manufactured-fentanyl-driving-worsening-opioid-epidemic-cdc/