Internal DHS documents show migrant abuse at southern border

Detentions and arrests at America’s southern border hit an all-time high in 2021, according to new federal documents. More than 1.7 million migrants were detained at the border, in the 2021 fiscal year 61% of those were expelled under Title 42. William Brangham discusses the issue with Gil Kerlikowske, who served as commissioner of U.S. Customs and Border Protection under President Barack Obama.