In an exclusive interview that will air on Inside Edition Monday, Tessa Brennaman revealed how she is still traumatized by her relationship with Devin Kelley, the gunman who murdered 26 people in Sutherland Springs on November 5.
He pleaded guilty in 2013 to hitting, choking, kicking and pulling her hair, and fracturing the skull of their infant son.
Ms Brennaman's interview comes after a pastor announced that the church will be demolished in wake of the massacre, which is the worst in Texas history.
Brennaman, who married Kelley in April 2011, filed for divorce from him just over a year later.
After Kelley shot parishioners at the First Baptist Church in Sutherland Springs, he fled the scene in his truck while being chased by two good Samaritans. But soon after they married and moved from Texas to New Mexico, he became abusive and even sexually assaulted her, she said.
A woman who worked with the gunman who killed more than two dozen people in a Texas church says he'd shake with rage and seemed obsessed with a man who killed nine people in a SC church.
In once incident, Kelley flew into a rage over a speeding ticket, she recalled.
"It was problem after problem", she said.
'And he had a gun in his holster right here and he took that gun out, and he put it to my temple and he told me, "Do you want to die?"
The former Air Force airman was sentenced to 12 months of confinement and ultimately removed from the military with a bad-conduct discharge and a reduction of rank.
The Air Force should then have flagged Kelley again later that year after his court-martial conviction for assault, which permanently disqualified him from legally getting a gun.
Ms Brennaman also said that her ex-husband threatened to kill and members of her family.
However, investigators have said Sunday's shooting appeared to stem from a domestic dispute involving Kelley and his mother-in-law, and that he had sent threatening messages to her.
On Nov. 5, after Kelley opened fire at the First Baptist Church in Sutherland Springs, Texas, 26 were left dead, according to police statistics that include an unborn child.
Eleven people were still in the hospital Friday with wounds from the shooting.