WAAY 31 is learning more about Darwin Brazier and his ex-wife Debra Ann Rivera's relationship.
Brazier killed Rivera along with her new husband and their roommate- according to the Limestone County Sheriff's Office.
Deputies said the exes had a history of domestic violence.
WAAY 31 found court records that Darwin Brazier's ex-wife had filed two protection orders against him in the past.
However, it doesn't appear those orders ever made it to court--but one man said he doesn't think it would have stopped the murders from happening
"If I was going to kill somebody I wouldn't let a little piece of paper stop me," said David Clark who grew up in the area.
Clark is talking about a protection from abuse order. Alabama court records show Debra Ann Rivera filed one against her ex-husband Darwin Brazier to keep him away from her in March 2017.
The Limestone County Sheriff's Office spokesperson explained the couple had a history of domestic violence.
"This is very clearly the result of several years of escalation between the suspect and the primary victim," said Stephen Young the spokesperson for the Limestone County Sheriff's Office.
Young told WAAY 31 investigators believe that's what led Darwin Brazier to kill his ex-wife along with her new husband and roommate.
Neighbors who knew Brazier are looking for answers to why the situation escalated.
"I don't know what got him to the breaking point of doing something like that," said neighbor Meredith Hereford.
Young said this should serve as a grave reminder of how important it is for anyone who is a victim or knows a victim of domestic violence to speak up.
"They may see not only domestic violence but domestic arguments and if they see frequent domestic arguments and closeby that they report that," said Young.
And he wishes this tragedy could have been prevented.
"Unfortunately, no matter what types of protections and orders you have in place sometimes there is something that slips through the cracks," said Young.
Neighbors focused on the two children the former couple left behind--
"I feel sorry for the two children losing both parents in one day," said Hereford.
Young told us he hopes both of them are able to cope with what happened.
"They're going to have to be the ones that pick up the pieces. They're going to have to have support and hopefully, they can find that," said Young.
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