The American Civil Liberties Union has filed suit against government officials for deporting a mentally disabled U.S. citizen who’s now missing in Mexico. The ACLU says Pedro Guzman was serving a four-month jail sentence for trespassing when he was deported to Tijuana on a supposed immigration charge. He was deported despite telling officers he was born in California. He was born in Los Angeles and lives in a nearby town with his mother. Immigration officials say the deportation was justified because they had reason to believe Guzman was an undocumented immigrant. Members of his family have searched shelters, jails and hospitals in Tijuana to track him down. ACLU Southern California legal director Mark Rosenbaum said: “This is a recurring nightmare for every person of color of immigrant roots.”