The U.S. government has bought two large private immigration detention centers in California owned by the CoreCivic company. The U.S. Department of Homeland Security bought a 2,500-bed facility in California City for $732 million and the 2,000-bed Otay Mesa Detention Center in San Diego for $739 million. The sale will give CoreCivic a $1.1 billion profit, according to a news release from the company.