Brazil dam disaster: 'Dead or alive, we just want to know'

Families search for answers after muddy sea of debris sweeps everything in its path and kills more than 80 people. from Al Jazeera English...

Families search for answers after muddy sea of debris sweeps everything in its path and kills more than 80 people.

from Al Jazeera English http://bit.ly/2BcjM4S