Kyron Horman's stepmother was served with a restraining order and a petition for dissolution of marriage about 6 p.m. Monday, a source confirmed.

The legal papers came as a complete surprise to Terri Moulton Horman, the source said.

Approached earlier in the day at her home in Northwest Portland, she had denied a report by KPTV 12/Fox TV news that her husband, Kaine Horman, and 18-month-old daughter, Kiara, had moved out.

"Everything's good," she said, giving a thumbs up. "We heard that rumor. It's just a rumor that needs to be squelched. Everything's fine."

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However, the source said Kyron's father and sister indeed had left.

Terri Horman had said the only change in their household was the arrival of her dad, Larry Moulton, from Roseburg to support her. Her mom, Carol, has been with the family since soon after Kyron's disappearance to help out.

By 8 p.m. Monday, at least four friends had driven up the gravel driveway at Terri Horman's blue, two-story house set in woodlands in rural northwest Multnomah County to console their embattled friend after learning of the divorce.

One friend, who asked not to be identified, said that Terri Horman still felt as though the county sheriff's office was on her side.

"They've said in the media that she's not considered a suspect, and she's been told that she's not a suspect," the friend said. "The media is reporting that and that's the same story she knows.

"She's trying to get her thoughts together. I don't know if she's going to stay quiet forever. Stuff is just happening right now. So I think she just needs a little more time."

Terri Horman, who had been just behind the door of the home's living room, popped her head out and told the friend, "Hey, I need you for a sec." But otherwise she did not comment.

The dissolution petition filed by Kaine Horman in Multnomah County Circuit Court listed his representative as Laura Rackner, a family law attorney with Gearing, Rackner & Engel in Portland. Messages left at her office and home were not returned.

Rackner specializes in child custody, divorce and separation legal services, and co-authored the Oregon State Bar Family Law Book, according to her law firm’s website.

Kyron's family issued a statement Monday afternoon through the Multnomah County sheriff that was signed only "Desiree, Tony and Kaine." It did not include Terri Horman's name.

In the statement, the child's mother, stepfather and father said they were fully briefed on the investigation, supported the sheriff's office and were limiting their statements to the media "to keep the integrity of the investigation intact."

"Any actions taken by the investigation, or by us, are based on the best interests of Kyron and Kiara and comply with the law. Beyond this, we have no comment on the matter," the statement concludes.

Kyron, 7, disappeared from Skyline School on June 4. A massive search around the area and on Sauvie Island turned up no clues.

The

has not commented on repeated rumors that Terri Horman is a suspect. Authorities have simply said they would not say whether they have any suspects in the case that's riveted the nation.

Terri Horman’s dad told

magazine that she’s been subjected to repeated interviews up to six hours each and that the truck she was driving the day Kyron disappeared has been inspected twice by police.

When People asked him whether he thought his daughter would be arrested, he replied with tears in his eyes: “It’s 50-50.”

Petition for Dissolution of Marriage

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