Human trafficking exists in almost every region around the globe - children, young women, even men - entrapped and forced into prostitution, involuntary labor and other forms of servitude, unable to escape. The best estimates indicate that 100,000 children and adults are trafficked within the U.S. every year. As VOA's Faiza Elmasry reports, though, a variety of activists have mobilized to fight it. Faith Lapidus narrates.