How Colorado’s marijuana legalization strengthened the drug’s black market

Some states that have legalized marijuana for recreational use have experienced a surge in the drug’s black market activity. In particular, Colorado has become a haven for underground marijuana cultivation, sale and export, prompting questions about how legalization led to some unforeseen consequences. John Ferrugia of Rocky Mountain PBS has the story.

See more at: https://www.pbs.org/newshour/show/how-colorados-marijuana-legalization-strengthened-the-drugs-black-market