The first businesses licensed to sell recreational marijuana are preparing for the first of the year, when their product officially becomes legal in Colorado.
The annual fee for a medical marijuana patient in Colorado is dropping by more than half, to $15 a year.
A Larimer County jury convicted a doctor who prescribed medical marijuana to a patient who had no medical problems.
A Colombian national who was arrested in Colorado during raids on several medical marijuana businesses was indicted on a single weapons charge, but prosecutors have not said whether he is tied to the pot investigation.
Regulators are still battling an enormous backlog issuing licenses for medical marijuana as Colorado prepares for recreational pot sales in less than a month.
Growers in the medical marijuana industry are seeing large energy bills, plus criticism from some who say they need to reduce their carbon footprint.
Federal, state and local law agencies are searching several medical marijuana dispensaries as part of an operation.
The search is on for two armed men who got away with nearly $11,000 worth of medical marijuana.
Police in Nebraska counties along the Colorado border are fighting to keep medical marijuana from crossing state lines.
Colorado health authorities have rejected for a second time a request from medical marijuana patients to dismantle the medical pot registry.