The Trump Administration's zero tolerance policy for migrants produced widespread outrage. Specific policies are in flux, so we asked researchers for the important context to understand what's happening. For this special episode, professors Heide Castañeda and Nara Milanich describe who these migrants are, how zero tolerance policies impact them and their health, and what – if any – historical precedents exist for these policies.

For More on this Topic:

• Check out Nara's 2017 piece in The Washington Post, "Nations have separated children from parents before. It never ends well."
• Read Heide's brief, "The Downsides of Excluding Millions of Immigrants from Health Reform"