"Kill the Indian in him, and save the man." This was the guiding principle that removed thousands of Native American children and placed them in Indian boarding schools. Among the many who died at Carlisle Indian Industrial School were three Northern Arapaho boys. Now, more than a century later, tribal members journey from Wyoming to Pennsylvania to help them finally come home.

The deadliest part of a migrant's journey is just beyond the border. For those missing, one man offers a last hope.