Good evening. We left you last night with the image of a father and a young daughter face

down on the water on the U.S. Mexico border. Tonight we've just got another reminder of one

is even needed of the human tragedy taking place there and it runs as deep as the Rio

Grand and as wide as the political differences over what to do about it. It flows with tears

as this new video shows. The bodies of that father Oscar Martinez and his daughter Angie

Valeria being put into a hers in the border city of Matamoros, Mexico.

Angie Valeria only 23 months old when she and her father drowned. That photo of their bodies

in the river, her arm around her father, shocked not just this country but the entire region

and is added new urgency to legislation aimed at addressing at least some of the problems

facing migrants and border enforcement alike. More and that shortly we begin though on

the banks of the Rio Grand where CNN's Michael Holmes is learning more details about

Oscar Martinez and Angie Valeria and spoke to the photographer who took that photo.

The picture is obviously horrific and sickening and heartbreaking. What have you learned about

exactly what happened to this father and his daughter?

It's such a horrible story isn't it Anderson? They came here looking for a better life for

the family. They went up to try to apply for asylum. The place was closed. That was what

happened. They got impatient. They came down here. They walked along the river. Now according

to Oscar Ramirez's wife, her husband just decided we're going to go across. We're going

to enter the U.S. This is how close it is when you're on the ground here. It really is

stunning. It's only about 30 metres across there. He goes across, puts the daughter on the

far bank, starts to come back because he wants to get his wife and take her over. The daughter

panics, she gets in the river, he goes back to try to save her. These currents are much

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