Marijuana laced with fentanyl is becoming an emerging trend across the United States that has many agencies on alert. No marijuana laced with fentanyl has been found here in San Diego County that officials know of so far. Although that may be reassuring news, it has been found as close as Yuma, which has led law enforcement agencies to issue a warning to all who use the drug for recreational use. Fentanyl has been known to law enforcement agencies to be found in almost any drug. MORE: https://www.cbs8.com/article/news/local/law-enforcement-agencies-seeing-more-marijuana-laced-with-fentanyl/509-85b5e431-80c6-45c6-80a3-4ad01fd0f185