A Flood Of Kids, On Their Own, Hope To Hop A Train To A New Life

Marlon, a 15-year-old from El Salvador, studies a map of freight train schedules while en route to the U.S. border, outside Huehuetoca in central Mexico. Traveling alone, Marlon says he has heard that if he can make it into the U.S., he can go live with his grandmother, who is a permanent resident in Los Angeles — a belief that drives many people trying to cross the U.S.-Mexico border.