First Baptist Church, Sutherland Springs, Texas

From Wikipedia:

The Sutherland Springs church shooting occurred on November 5, 2017, when Devin Patrick Kelley of New Braunfels, Texas, fatally shot 26 people and wounded 20 others during a mass shooting at the First Baptist Church in Sutherland Springs, Texas. The attack was the deadliest mass shooting in Texas and the fifth-deadliest mass shooting in the United States.^{[2][note 1]} It was the deadliest shooting in an American place of worship in modern history, surpassing the Charleston church shooting of 2015^[3] and the Waddell Buddhist temple shooting of 1991.^[4]