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.Want more from The Daily? For one big idea on the news each week from our team, subscribe to our newsletter. 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.For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.