It turns out that Michigan’s medical marijuana patient fees — the $60, (previously $100) two-year cost for most patients — have made the Michigan Medical Marihuana Fund flush with cash. And to return the favor, state law enforcement has tapped that fund to aggressively crack down on marijuana.

It’s like a snake eating its own tail — or rather, smoking its own tail.

According to a Detroit News report published Monday, metropolitan Detroit sheriff’s departments spent more than $600,000 on dispensary raids over the past year. And there’s plenty of money for more: according to the report, the fund has raised more than $30 million.

“I really don’t think it’s appropriate to fund law enforcement on the backs of medical marijuana patients,” medical marijuana attorney Matt Abel told the Detroit News. “… It’s really a hidden tax on patients.” [Read more at Detroit Metro Times]