OMAHA, Neb. (AP) — The U.S. Attorney for Nebraska says 13 people have been accused in a federal indictment of conspiring with a Mexican drug cartel to deal methamphetamine in Omaha — including the owner of a south Omaha auto dealer. U.S. Attorney Deborah Gilg (gihlj) said Thursday that 12 of those indicted have been arrested or were already behind bars for other offenses. She said six are in the U.S. illegally. The indictments were announced the same day that officers from eight different law enforcement agencies in eastern Nebraska and western Iowa executed search warrants in the case, including one at Gomez Auto Sales. Gilg says authorities seized 30 cars from the lot, believed to be a front for the drug ring. If convicted, those indicted face up to life in prison.