About 700 law enforcement officers served search warrants at more than 118 illegal marijuana grow locations across the 265 square miles of the Anza Valley on 5 June 2019.[1][2] The Riverside County Sheriff’s Department led the operation with more than a dozen allied agencies, including the FBI, the Drug Enforcement Administration, the Army National Guard and state wildlife wardens, after homicides, thefts, robberies, kidnappings and utility thefts linked to illegal grows.[1]

Officers seized 140,877 marijuana plants, which the sheriff put at a street value of $189 million, along with 3,037 pounds (about 1,378 kg) of processed marijuana, 17 rifles, 10 handguns and 70 tons of plant waste.[1][2] Eight people were arrested on cultivation and conspiracy charges.[1][2]