SAN ANTONIO – Surveillance of a suspected drug dealer took place on San Pedro Avenue weeks before a raid, when more than 150 immigrants were detained, according to an arrest affidavit obtained by KSAT.
Luis Amador Castillo-Hernandez, 37, was arrested on a charge of manufacturing or delivering between 1 and 4 grams of cocaine in the 5900 block of San Pedro Avenue, the affidavit states.
Two controlled narcotics purchased were arranged by the Texas Department of Public Safety and Federal Bureau of Investigation, the affidavit states, on Sept. 27 and Nov. 9…