Dreams of safety, health care, jobs: Why thousands of migrants are waiting in Mexico -- and thousands more arrive each week

Pastor Hector Silva gets emotional as he describes how he had to recently turn away mothers, with infants in their arms, from the gates of his migrant shelter.

Dreams of safety, health care, jobs: Why thousands of migrants are waiting in Mexico -- and thousands more arrive each week
Pastor Hector Silva gets emotional as he describes how he had to recently turn away mothers, with infants in their arms, from the gates of his migrant shelter.