This week, Martha sits down with Texas State Senator Roland Gutierrez (D-TX) to examine the law enforcement mistakes in the Robb Elementary school shooting in Uvalde, Texas.

Senator Gutierrez shares the questions he's raised to investigators about the response to the shooting, the errors in training of police officers, and later lays out reform that could help prevent a similar tragedy from happening in the future.

Follow Martha on Twitter: @MarthaMacCallum

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