SAN ANTONIO – A Mexican national, Luis Antonio Talamantes-Romero, 36, hailing from Chihuahua, Mexico, has received a 20-year sentence in a U.S. prison for unlawfully entering the country. The U.S. Department of Justice made the announcement, highlighting Talamantes-Romero’s repeated illegal entries into the United States. Conviction and Sentencing Illegal Entry and Murder Talamantes-Romero’s legal troubles…