Ohio legalized marijuana and arrests dropped, but police say the black market for pot remains a challenge for the state.

People are buying what they believe to be retatrutide from WhatsApp groups, Chinese labs and websites selling it “for research purposes.” By Dani Blum Retatrutide, the most powerful weight-loss drug ...

Black markets involve illegal trade, often in high demand goods like drugs or weapons. They cause tax revenue losses and pull business from legal entities. High profit margins in black markets ...