Thomas E. Buckley is a Jesuit who teaches American religious history at the Jesuit School of Theology in Berkeley, Calif. He wrote Church and State in Revolutionary Virginia, 1776-1787 and is working on a study of Jefferson and religious freedom.

Robert Hanser is the head of the criminal justice department and the assistant professor of criminal justice at the University of Louisiana at Monroe.

Brittney Thomas is director of the Kentucky branch of Not for Sale: Re-Abolish Slavery. She says she believes that with increased awareness, human trafficking can be extinguished within her lifetime.

Rachel Braver is the coordinator of the North Carolina Coalition Against Human Trafficking, a coalition of state agencies and nonprofit groups that respond to human trafficking violations in the state.

Kay Buck is executive director of the Coalition to Abolish Slavery & Trafficking, a nonprofit that seeks to serve victims of trafficking. It is based in Los Angeles.

Melissa Broudo is a staff attorney at the Sex Workers Project at the Urban Justice Center in New York, where she focuses on the legal concerns, safety and rights of sex workers.

National Public Radio’s 2004 series on Immigration in America segment on “Faith and Assimilation.”

Transcript of a Nov. 14, 2003, Religion & Ethics Newsweekly program on immigration.

March 5, 2006, NPR interview with Kevin Appleby, director of migration and refugee policy for the United States Conference of Catholic Bishops, in which he describes immigration policy as a humanitarian and moral issue and said, “In the face of the stranger we see the face of Christ.”