Weapons-grade chemical carfentanil surges as dangerous substitute for fentanyl https://apnews.com/article/carfentanil-surging-fentanyl-deaths-dea-china-mexico-6b32fe6450861754d8689a595fb830a5?taid=69e3a37d4cd2160001d661ab&utm_campaign=TrueAnthem&utm_medium=AP&utm_source=Voante
