many of them, victims of the 2010 earthquake that crumbled haiti's capital. some 250,000 were killed, more than 1 million displaced. they didn't just leave haiti and come to the mexico border. they first went to south america, living in countries like chile or brazil were not options. many kept going, traveling through central america, north through mexico, and then here to seek asylum or refugee status. some of this problem goes back to the 2014 world cup and 2016 summer olympics in brazil. brazil faced a labor shortage, building stadiums. and granted work visas but where is pushed out once their labor was no longer needed. roughly 150,000 haitians traveled to chile between 2014 and 2018 to qualify for visas and to find work. but new strict immigration laws in chile led to their deportations. according to internal documents obtained by nbc news, the department of homeland security says it's monitoring 20,000