Jon Lowenstein trains his eye on the parts of society many people try to avoid. He says he tries to take a problem like modern-day slavery and engage people on a personal, emotional level. Lowenstein's latest project shows those who have been victimized by human trafficking in the United States.

Photojournalist Mimi Chakarova spent nearly a decade working on “The Price of Sex,” a documentary film about Eastern European women who have been forced into sex trafficking. During her investigation, she posed as a prostitute, used hidden cameras and built trust with the victims she profiled.

Photographer Steven Taylor traveled to Haiti with actor-musician Common to learn about the plight of the Restavek children, where a traditional route to education has dissolved into forced labor. He says they both came away changed by the experience.