A Fresno County Sheriff's Department investigator walks through a forest of marijuana plants growing on public lands in 2009 west of Shaver Lake. Law enforcement has launched a new attack on illegal marijuana farm in California's forests, saying Mexican cartels are using huge amounts of pesticides that threaten endanger species.
A Fresno County Sheriff's Department investigator walks through a forest of marijuana plants growing on public lands in 2009 west of Shaver Lake. Law enforcement has launched a new attack on illegal marijuana farm in California's forests, saying Mexican cartels are using huge amounts of pesticides that threaten endanger species. Craig Kohlruss Fresno Bee file
A Fresno County Sheriff's Department investigator walks through a forest of marijuana plants growing on public lands in 2009 west of Shaver Lake. Law enforcement has launched a new attack on illegal marijuana farm in California's forests, saying Mexican cartels are using huge amounts of pesticides that threaten endanger species. Craig Kohlruss Fresno Bee file

Illegal pot grows found in Yosemite, forests. Officials crack down, citing 'catastrophic' poisons

May 29, 2018 01:54 PM