Federal marijuana raids in Smartsville and throughout Yuba County last week were the result of two five-month investigations headed by the U.S. Drug Enforcement Administration, according to a search warrant affidavit filed in federal court in Sacramento. Andreas Jewers, 47, Juan Jose Domingo, 47, and Elizabeth E. Stefani, 43, all of Oregon House, were arrested and booked into Yuba County Jail on suspicion of conspiracy and cultivation of marijuana for sale, DEA spokeswoman Casey Rettig said. All three posted $100,000 bail bonds and were released a short time later, authorities said. They are set for arraignment Oct. 23 in Yuba …