"They wake up in the middle of the night screaming and crying because they are so afraid the trafficker will come again.
Sometimes one of the kids suddenly gets sick and vomits.
In these rarely seen photos, taken by Manny Pacquiao's personal photographer James Dayap, we take a glimpse at the boxer's training regimen for the Timothy Bradley fight in June 2012, which would become one of the most controversial bouts of his career.
Often that wasn't enough for paying customers on the other side of the sex chat room.
They seemed like typical 12-year-olds, but what they would tell us about what they'd been through, stopped me cold.
"The trauma is really so deep," says Cecilia Flores-Oebanda, the director of the Visayan Forum Foundation, an organization that cares for recued girls.
"Now there's a new phenomenon of trafficking for cybersex.
New cases like these were always heartbreaking for Maria, whose own attempts to embrace a new life were cruelly snatched away.Editor's note: This article is part of The Fighters, a series of reports from a full-length film that premieres on CNN International TV on May 17 and 18 at 1900 HKT; 2200 CET; 2200 ET. And in a small, warm room filled with books and framed drawings, a young woman we're calling Maria tears at a tissue as she prepares to tell how sex traffickers corrupted her life. "I had to find a job because my father had a lung problem and I needed to find money so we could send him to the hospital." Maria met a person in her province who said he could find her a job in Manila.The documentary is a result of two years of undercover work and filming in the Philippines. "I thought I was going to work as a dishwasher in a restaurant," she said."But when I arrived I realized it was a 'casa.'" 'Casa' is a code word for brothel in the Philippines. They often leave their homes and villages in the provinces, seeking opportunities to support their families.The traffickers are adept at convincing them to travel with them.UNICEF estimates as many as 100,000 children work in the illegal sex trade in the Philippines.