"Zero tolerance": Immigrants weigh risks as U.S. separates families at border
Homeland Security Secretary Kirstjen Nielsen is pushing back against the idea that separating undocumented parents and children is meant to deter future illegal border crossings. Last month White House chief of staff John Kelly said family separation could be a tough deterrent. Mireya Villarreal travels to Juarez, Mexico, to see firsthand how the policy is impacting some families trying to cross the U.S. border.