Immigration and Customs Enforcement Director John Morton said 967 arrests in connection with people trafficking and sextourism were made last year alone.
Travellers can play their part, too, by being aware of suspicious activity and supporting companies that have taken a stand against sextourism and child exploitation.
The 40-year-old, who works for Montpellier's tourism office, expressed his gratitude to those who had helped win the controversial right for same-sex couples to marry, legislation that was signed into law 10 days ago by President Francois Hollande.