Reside Falling News Today

That this could happen, describing it like an reside falling into the earth and hearing his brother was behind the deadly attack in vegas which has now become the worst mass shooting in american history. these tragedies also show us the best in humanity. nbcs cynthia mcfad den brings us more. >> reporter: its become painfully common. >> its happened again. a mass shooting at an american school in suburban denver. >> what unfolded just a few steps from here last night is almost too much to bear. ...