Christine Caine and her husband, Nick, are Christian evangelists and founders of the global anti-trafficking organization known as the A21 Campaign. She has written several books and speaks passionately on the subject of human trafficking. The Caines live in Sydney, Australia.

This half-hour CBS News special aired Dec. 16, 2013.

The Rev. Susan Copley is the rector of Christ Episcopal Church in Tarrytown, N.Y. She and members of her congregation visit unaccompanied migrant minors in U.S. custody at a nearby transitional home.

Greg Wark is the co-founder of Stop Child Trafficking Now, a countertrafficking organization that has teamed up with retired Navy SEALS to collect evidence against traffickers and to raise awareness about child sex trafficking. The organization works with churches around the country.

Betty Ann Boeving is founder and executive director of the Bay Area Anti-Trafficking Coalition. Email her through the organization’s website.

Jenny Almquist is director of Fierce Freedom, a nonprofit that she launched in 2012 to educate the people of west-central Wisconsin about human trafficking and work to stop it. Almquist makes presentations to churches and civic groups, talks with lawmakers about the need for stronger laws and works with local law enforcement to combat the […]

Jeanette Bradley is the founder of 2nd Chance Ministries, an Ohio-based Christian street ministry that helps people who want to escape a bad situation and make a new life. She overcame a history of drug addiction and prostitution, a past she recounts in her book I’m Still Standing.