New details on migrant girl who died last year in U.S. custody

A 10-year-old girl from El Salvador with a heart defect died at a U.S. hospital last September after crossing the border with her family. Her death is the sixth known case of a migrant child dying after being detained. CBS News investigative reporter Graham Kates and producer Angel Canales join CBSN with the latest on the case that is just now coming to light. Source