CNN reached out to fentanyl chemical manufacturers in China. See what they said

CNN's David Culver traces the path of fentanyl from Chinese chemical factories to Mexico, where cartels back the production of the deadly drug.

from CNN.com - RSS Channel - App International Edition https://www.cnn.com/videos/world/2023/03/08/fentanyl-pipeline-mexico-china-pkg-culver-vpx.cnn
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