A year ago, thousands of Central American men, women and children chasing the American dream arrived in Mexico in a massive caravan that has left a lasting legacy — just not the one people generally thought it would. Fleeing chronic poverty and brutal gang violence at home, they banded together in hopes of finding safety in numbers against the dangers of the journey, including criminal gangs that regularly extort, kidnap and kill migrants. The images made an impact around the world: carrying their meager belongings on their backs, many migrants pressed small children to their chests or held them by the hand.
