Watch Clip
Why the U.S. is detaining thousands of migrants as witnesses
5m 24s
Over the past 20 years, tens of thousands of undocumented immigrants have been sent to jail and held as potential witnesses in human smuggling cases, many for six months or longer. A New York Times investigation examined this largely overlooked aspect of the immigration debate. Sarah Cutler, the lead author of the investigation, joins John Yang to discuss.