Elite ‘BORTAC’ unit to join sanctuary city crackdown

In a continuation of its crackdown on so-called sanctuary cities and states, the Trump administration is planning to use U.S. Border Patrol agents from an elite tactical unit known as "BORTAC" to assist Immigration and Customs Enforcement in detaining undocumented immigrants. New York Times national immigration reporter Caitlin Dickerson joins Hari Sreenivasan for more on the escalation.