Sarah Posner is associate editor of Religion Dispatches, where she writes a blog, and author of God's Profits: Faith, Fraud, and the Republican Crusade for Values Voters. Her investigative journalism and commentary on the intersection of religion and politics has appeared in The Washington Post, The Guardian, The Nation, Salon, The American Prospect, and other publications.

From the Baptist 10 charged with child kidnapping in Haiti to a Connecticut man accused of sexually abusing Haitian boys, U.S. missionaries are in trouble—and undersupervised—abroad.