Marie Marquardt is a scholar-in-residence at Emory University’s Candler School of Theology in Atlanta. She studies Latin American immigrants, gender and migration, multiethnic and multicultural congregations, religious diversity in immigrant communities and religion in civic and public life. She is the founding co-chair of El Refugio Ministry, which serves immigrants detained in Georgia.

Jill Jacobs is a Conservative rabbi and the executive director of T’ruah: The Rabbinic Call for Human Rights, based in New York City. She has written and spoken about Trump administration policies and rising anti-Semitism in many outlets, including The Washington Post and NPR. Arrange an interview through Julie Wiener.

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

Katie Conway is an immigration and refugee policy analyst for the Episcopal Church in its Office of Government Relations in Washington, D.C. She can discuss the church’s work in the crisis involving unaccompanied children migrants.

Nancy Springer is the assistant rector at St. Alban’s Episcopal Day School, and is the former assistant rector of St. John’s Episcopal Church in McAllen, Texas. In her former position, she and her congregation worked with other border churches and government agencies to help unaccompanied children and other migrants in U.S. custody.

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.

The Polaris Project, which works to eradicate human trafficking, collected data from 2007 through 2012, from people who contacted it for services or information, and issued this report. Among its findings: 41% of sex trafficking cases and 20% of labor trafficking cases referenced U.S. citizens as victims. The report and its graphics can be downloaded.

Vijay Singal is the secretary of the Hindu Council of Australia in Homebush, New South Wales. In 2012, Hinduism became the fastest-growing religion in Australia, largely due to the number of Indian and Sri Lankan immigrants coming to the continent. He can discuss the diversity of Hinduism in Australia.

Read a June 30, 2014, article from CNN about President Obama’s action on immigration policy issues in the wake of the 2013-14 surge in migrant children at the United States’ southern border.