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The technical sergeant who killed his two children and himself at Tinker Air Force Base suffered from post-traumatic stress disorder.

Dustin Thorson, 35, was diagnosed last year in Oklahoma after returning as a war hero from Iraq, according to records reviewed by The Oklahoman.

Thorson "filed numerous reports ... against his ex-wife, which were reported to be unfounded, as well as displaying signs of paranoia by purchasing security systems, with small cameras, and installing them inside the residence.”

The documents give new details about the tragedy which has raised questions about whether the Air Force did enough to prevent it.

The children's mother, Michelle Thorson, is considering civil action against the Air Force.

"Do I believe that more could have been done to protect us? Yes,” Michelle Thorson told