Andres Avelino Anduaga, an illegal alien from Mexico previously arrested on gun, drug, and forgery charges, pleaded guilty Thursday to theft of public property and being a removed alien found in United States. Anduaga’s plea agreement, entered with the U.S. District Court for the Southern District of California, contains admissions that he assumed the identity of a Texas-born American citizen more than 37 years ago in 1980. Using it and 21 other invented or assumed identities, he claimed more than quarter million dollars of “Supplemental Security Income” benefits, over a hundred thousand dollars in public healthcare benefits, and, separately $12,000...