PORTLAND, Ore. -- The father of missing Portland boy KyronHorman filed for divorce, taken out a restraining order against his wife and moved out with their young daughter.

The restraining order was sealed by Multnomah County Circuit Judge Keith Meisenheimer, who handles family law. However, the abuse prevent petition showed that Terri Moulton-Horman was granted no parenting time and restricted from accessing firearms. Kaine Horman was granted sole child custody, although no children were specifically named in the documents.

Everyone should bear in mind that everyone in the justice system has the highest priority of finding the child, judge Meisenheimer told KGW. No one wants to release any information that might compromise that.

Under Oregon law, a petitioner must show that there has been abuse within 180 days in the family, that the applicant was in imminent danger of abuse and that the respondent represents a credible threat to the petitioner or child.

The divorce filing cited irreconcilable differences and the breakdown of marriage between Kaine Horman and Terri Moulton-Horman as the reason for the divorce.

More: Read the divorce filing

The filing papers state that Kaine Horman has had an undisclosed address since Saturday, June 26, when he left with the couple's 18-month-old daughter, Kiara Horman. Terri still lives at their Northwest Portland home.

Kaine requested sole custody of Kiara, child support and payment for unreimbursed medical expenses.

The divorce filing states the couple was married April 15, 2007 in Princeville, Kauai, Hawaii. This was Terri Horman's third marriage and Kaine and Terri both have one child from previous marriages. Kiara was born Nov. 12, 2008.

On Monday, Terri Horman told KGW that reportsabout Kaine moving out of their home were false, though the divorce documents now state otherwise.

Kaine, along with Kyron's biological mother, Desiree Young and her husband, Tony Young, released a statement Monday saying they were in support of the investigation. Terri's signature was not included at the bottom of the statement.

The statement read in part: 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.

MORE:Read the statement

Monday morning, Terri told KGW she was not aware a statement was coming out.

Since Kyron vanished three weeks ago, she has been singled out in a police questionnaire sent to parents and staff of Skyline school. She has also been given at least two polygraph tests and undergone many hours of police questioning.

Terri's father, Larry Moulton, recently told 'People Magazine' matter-of-factly that the finger points at step-mom, she's trying to be cooperative.

COMPLETE COVERAGE:Search for Kyron Horman

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