Homeland Security Secretary Alejandro Mayorkas on Sunday warned migrants “not to take the dangerous journey” and attempt to cross the US-Mexico border after 53 migrants died in a sweltering semitruck in San Antonio, Texas, last week, in what is being called the deadliest human smuggling incident in US history.

(SOURCE) https://www.cnn.com/2022/07/03/politics/alejandro-mayorkas-homeland-security-human-smuggling/index.html