WATCH: Ex-Wife of Texas Church Shooter Devin Kelley Interview

Tessa Brennaman said in her first TV interview that she lived in "constant fear" during her marriage with Devin Patrick Kelley, the 26-year-old gunman who killed 26 people at a Sutherland Springs church in Texas last week.

A violent, abusive husband.

She spoke with CBS News as part of an "Inside Edition" segment last Friday, opening up about their brief one-year marriage, and how he was abusive both to her and her child from a previous relationship. She recounted the time the discharged Air Force airman threatened to kill her and her whole family. "“I could just bury you somewhere here in the desert and nobody would ever find you," he said to her once.

“He just had a lot of demons or hatred inside of him,” said Brennaman, 25, who married Kelley in 2011 and then divorced a year later. But that short marriage to Kelley was filled with violence and abuse. She described one traumatic interaction she had with him over a speeding ticket.

Court-martialed on two counts of assault.

The domestic violence conviction made it illegal for Kelley to purchase firearms,

But the Air Force admitted last week that they failed to enter his conviction into a national database, one that is checked by licensed gun sellers, including the one that sold Kelley an AR-15, which he later used at the church where his second wife's family worshipped.

But then someone points out that our military is not required to report criminal verdicts to the state.

Either way, there is one thing Tessa can do now.

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