A Border Patrol agent asks Guatemalan migrant Karen Soto, 22, for her documentation while she holds a sleeping daughter Lizeth, 6, on a Greyhound bus at an immigration checkpoint east of El Paso, Texas in the early morning of Tuesday, July 8. The nearly 60-hour journey from Tucson, Ariz. to southern Delaware. covered 12 states over four days. Soto was riding to meet her brother and cousin on the east coast. Photo by Mike Christy / Arizona Daily Star