A woman lays flowers in a memorial at the town square for the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello

A sign that reads "Uvalde is love" is seen at a shop window, in memoriam of the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 28, 2022. REUTERS/Marco Bello

A general view of the playground at Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello

A cross is seen in a memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello

A mural in memoriam of Nevaeh Bravo, one the victims of the Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 28, 2022. REUTERS/Marco Bello

Crosses are seen in a memorial at town square for the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 28, 2022. REUTERS/Marco Bello

Heart shaped flower pot stands are seen in a memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello

A general view of Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello

A general view of Boarded up windows at Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello

A general view of the playground at Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello

Sharpie markers are seen on the grave of Eva Mireles, one of the victims of the Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 30, 2022. REUTERS/Marco Bello

A sign is seen in memoriam of the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S. November 28, 2022. REUTERS/Marco Bello

Anti gun signs are seen outside a house near Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S. November 28, 2022. REUTERS/Marco Bello

Crosses with the names of the victims are seen in a memorial outside the Robb Elementary, where a gunman killed 19 children and two teachers in the deadliest U.S. school shooting in nearly a decade, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello TPX IMAGES OF THE DAY

Graves are seen at Hillcrest Memorial cemetery in the town of Uvalde, where a gunman killed 19 children and two teachers at Robb Elementary in the U.S. school shooting, in Uvalde, Texas, U.S., November 30, 2022. REUTERS/Marco Bello

A cross is decorated at a memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello

A sign with the shape of Texas is seen in a memorial outside the Robb Elementary, where a gunman killed 19 children and two teachers in the deadliest U.S. school shooting in nearly a decade, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello

A sign is seen in memoriam of the victims of the Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello

Teddy bears are seen in a memorial outside the Robb Elementary, where a gunman killed 19 children and two teachers in the deadliest U.S. school shooting in nearly a decade, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello

A sign seen in a memorial outside the Robb Elementary, where a gunman killed 19 children and two teachers in the deadliest U.S. school shooting in nearly a decade, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello

A general view of the memorial at the town square for the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello TPX IMAGES OF THE DAY

A general view of the drainage channel next to Rob Elementary where a gunman crashed his truck before entering the school in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello

A general view of the memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello

People visit a memorial outside the Robb Elementary, where a gunman killed 19 children and two teachers in the deadliest U.S. school shooting in nearly a decade, in Uvalde, Texas, U.S. November 27, 2022. REUTERS/Marco Bello

A cross is seen outside a house near Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S. November 28, 2022. REUTERS/Marco Bello

Cloth angels are seen in a memorial outside Robb Elementary, where a gunman killed 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello

Flock of birds fly at sunset around the water tower of the town of Uvalde, where a gunman killed 19 children and two teachers at Robb Elementary, in the U.S. school shooting, in Uvalde, Texas, U.S., November 29, 2022. REUTERS/Marco Bello

A sign is seen on the grave of one of the victims of Robb Elementary mass shooting that resulted in the death of 19 children and two teachers in the U.S. school shooting, in Uvalde, Texas, U.S., November 30, 2022. REUTERS/Marco Bello