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(WREG-TV) We now know why the owner of property searched Friday in connection to the Holly Bobo case was charged with aggravated assault.

An affidavit from February 6th says Zachary Adams held a black revolver to Amber Bray’s head and threatened to kill her.

He also pulled a knife on Bray, who is his girlfriend’s sister, and threatened to “gut” her.

He is charged in Decatur County, but is being held in Chester County.

Sources say the transfer was due to overcrowding at the facility in Decatur County.

Adams is no stranger to courtrooms and, as WREG uncovered, no stranger to violence.

His criminal record includes charges for drugs, domestic violence and assault.

His mother, Cindy Adams, said an unrelated TBI investigation on his property into the disappearance of Holly Bobo is uncalled for.

“I’m just in shock, and I think the reason they’re targeting Zach is because Zach has a rap sheet,” she said.

On Tuesday a TBI spokeswoman said the weather did hinder the investigation, but said the case is still ongoing.

While Cindy admitted her son has been questioned before, she said she is confident he is not the one responsible for Holly’s disappearance.

“I have talked to him privately many times, and he told me ‘Mom, I don’t understand. I didn’t even know this girl.'”

TBI told WREG Zachary Adams is not officially considered a suspect in the Holly Bobo case, although a judge did set a $1 million bond for his aggravated assault charge.

His next court date is March 10th.

Holly Bobo was 20 years old when she disappeared nearly three years ago.

Even though it’s been nearly three years since Holly disappeared, members of her church vowed to neither give up nor forget.

Search warrants were executed at Adams’ property off Highway 69 in Decatur County Friday and over the weekend.

Investigators wouldn’t say what they were looking for, but at least two vehicles were towed away and cadaver dogs from the Shelby County Sheriff’s office were brought in to help with the search.

Saturday, investigators searched a well using underwater cameras.