At least 40 people were found dead inside a tractor-trailer on Monday in San Antonio, Texas, local media reported.The truck was found next to railroad tracks in a remote area on the city's southern outskirts, according to the reports.At least 40 people were found dead inside a tractor-trailer on Monday in San Antonio, Texas, local media reported.The truck was found next to railroad tracks in a remote area on the city's southern outskirts, according to the reports.