Tonight on PBS News Weekend, as the search for the missing from the deadly 4th of July flash floods in Texas begins a second week.

A new analysis reveals FEMA missed major flood risks at Camp Mystic, where more than two dozen died.

Then the ongoing search for justice in Argentina

nearly 50 years after thousands disappeared

under the country's military dictatorship.

And adoring fans from around the world converge on Thailand

to celebrate the first birthday of a social media sensation

named M Mudang.

She makes me happy.

Yeah, I don't know.

Whenever I'm, like, stressed at work, I, like, pull up photos of Mudang.

So my whole office knows, I'm here, and they're like, okay.

They let me take OBGELF.

You know, Good evening. I'm John Yang. The search for the more than 100 people still missing from the catastrophic 4th of July flash floods in Texas began its second

week today. As the death toll has risen to at least 129, officials have rejected suggestions

that the calamity could have been anticipated and, if not prevented, at least alleviated.

This happened very quickly over a very short amount of time that could not be predicted, even with the radar.

But an analysis by NPR and PBS's front line suggests otherwise.

Laura Sullivan is an NPR investigative correspondent.

Laura, what is it that you looked at and what did you find?

Well, we found was a significantly higher risk of flooding in this camp and in this area

than the federal government has ever reported.

...