A makeshift memorial where a tractor-trailer was discovered with 53 dead migrants inside, near San Antonio, Texas, June 29, 2022. Chandan Khanna/AFP via Getty Images
Police and other first responders work the scene where officials say dozens of people have been found dead and multiple others were taken to hospitals with heat-related illnesses after a semitrailer containing suspected migrants was found, Monday, June 27, 2022, in San Antonio. (AP Photo/Eric Gay)
Eric Gay
Priests gather near the scene where officials say dozens of people have been found dead and multiple others were taken to hospitals with heat-related illnesses after a semitrailer containing suspected migrants was found, Monday, June 27, 2022, in San Antonio. (AP Photo/Eric Gay)
Eric Gay
Police protect the scene where officials say dozens of people have been found dead and multiple others were taken to hospitals with heat-related illnesses after a semitrailer containing suspected migrants was found, Tuesday, June 28, 2022, in San Antonio. (AP Photo/Eric Gay)
Eric Gay
Police protect the scene where officials say dozens of people have been found dead and multiple others were taken to hospitals with heat-related illnesses after a semitrailer containing suspected migrants was found, Tuesday, June 28, 2022, in San Antonio. (AP Photo/Eric Gay)
Eric Gay
Police protect the scene where officials say dozens of people have been found dead and multiple others were taken to hospitals with heat-related illnesses after a semitrailer containing suspected migrants was found, Tuesday, June 28, 2022, in San Antonio. (AP Photo/Eric Gay)
Eric Gay
Police protect the scene where officials say dozens of people have been found dead and multiple others were taken to hospitals with heat-related illnesses after a semitrailer containing suspected migrants was found, Tuesday, June 28, 2022, in San Antonio. (AP Photo/Eric Gay)
Eric Gay
A U.S. Border Patrol agent leaves the scene where officials say dozens of people have been found dead and multiple others were taken to hospitals with heat-related illnesses after a semitrailer containing suspected migrants was found, Tuesday, June 28, 2022, in San Antonio. (AP Photo/Eric Gay)