In overnight testimony, Uvalde victims’ family members call on Texas lawmakers to raise age to buy semi-automatic guns

Friends and families of the victims of the Uvalde shooting wait for the House Select Committee on Community Safety to reconvene at the state Capitol in Austin on Tuesday. House Bill 2744 seeks to raise the minimum age to purchase semi-automatic rifles from 18 to 21. (Credit: Evan L'Roy/The Texas Tribune)

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By the time Kimberly Mata-Rubio sat down in front of Texas lawmakers Tuesday night, 13 hours had passed since she arrived at the Capitol.