According to today's Sacramento Bee,
Recent large heroin seizures show a resurgence of the drug in California unseen since the early 1970s, law enforcement officials said Thursday.
The flood of black tar heroin into the San Francisco area has driven down prices from as much as $500 an ounce to about $140 an ounce, Acting U.S. Attorney Lawrence Brown said in Sacramento while announcing the latest drug ring takedown. . . .
A federal grand jury in Sacramento has indicted 21 Mexican and American citizens on charges of smuggling at least 440 pounds of heroin grown in the state of Michoacan, Mexico, through Tijuana to Modesto, in California's Central Valley.