The finding that the the dealer was selling culinary mushrooms came from a lab test of product taken from one of the "victims." To my knowledge, the dealer was not identified or caught. California, as do many states, holds that selling harmless counterfeits like Fistful's oregano constitutes the same crime as selling the actual illegal substance: the dealer would have faced felony time.
The best of the whole thing was when one of the "victims," who washed his 'shrooms down with most of a bottle of Jim Beam, decked a small female paramedic as she tried to do her assessment. When they had the fool in the ambulance there were no single shot doses of syrup of ipecac ready, so the gal was pouring one. Mr. Placebo Effect snatched the nearly full 1 liter bottle and chugged it.
NO ONE, not the paramedics, not the four sworn LEOs, not the two security officers, none of the several housing staff, made the slightest effort to stop him.
As one of the LEOs closed the ambulance doors, the paramedic was seen pulling a BIG garbage bag from a dispenser...