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The incidents allegedly occurred when the couple lived in Louisiana and Florida. The documents also show that relatives knew there was a long history of domestic violence, and suggest the couple's daughter may have communication on her cell phone that could help explain how and why her mother was killed.
On the night of the shooting, Michael Maher told Apex police it was an accident that happened while checking the gun's safety lock.
The couple's daughter, according to police, has given several conflicting reports about what happened
RELATED: 911 calls reveal details in fatal shooting of Apex mom
The 16-year-old initially reported her younger brother shot their mother. She later reported that her father accidentally fired the shot.
In new search warrants, authorities say that while the 16-year-old was at the police station, during the night her mother died, she was calling and texting people about what happened.
RELATED: Husband of slain Apex woman charged with murder
Authorities seized the teen's phone to examine that communication.
Back in the neighborhood off Walden Glade Run where the deadly shooting took place, neighbors say the attack has changed how they interact with each other.
"I think it's made us a lot more aware of what's going ... trying to see what the community is up. We're trying to be a lot more community oriented," said a woman identified only as Audrey, who has lived in the neighborhood for 10 years. "Try to check in on each other more and make sure that everything is going OK with each other."
The warrant also says the couple's daughter has made repeated attempts to try to get her phone back from police custody.
Investigators say the child is uncooperative.