After the shooting at Robb Elementary School in Uvalde, Texas, the explanation for how the police acted kept shifting.

Now, a clearer picture has emerged.

Guest: J. David Goodman, the Houston bureau chief for The New York Times.

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Background reading:

A timeline from the state police raised the painful possibility that had officers done more, and faster, not all of those who died — 19 children and two teachers — would have lost their lives.
The degree to which some law enforcement officers on the scene disagreed with the decision to hold back has become more apparent.

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