A federal judge ruled the United States Air Force is mostly responsible for the 2017 mass shooting at a church in Sutherland Springs, Texas, court records filed on Tuesday show.

Devin Patrick Kelley killed 26 people and wounded 22 others when he opened fire at the Sutherland Springs Baptist Church congregation on Nov. 5, 2017. He killed himself shortly after the shooting, which was declared the deadliest mass shooting in the state’s history.