CRYSTAL CITY, Texas – An Amber Alert has been issued for five children missing from Crystal City Friday afternoon. Crystal City is a small town about 110 miles southwest of San Antonio. Police are also searching for the two suspects involved in the abduction, Ruben Lopez, 29, and 31-year-old Roxanne Fuentes. An Amber Alert was issued for five children from Crystal City, Texas. Police are looking for 31-year-old Roxanne Fuentes and 29-year-old Ruben Lopez in connection with their abduction, officials said.