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PORTLAND, Ore. -- Multnomah County sheriff's deputies said they investigated reports of possible vandalism at the wall of hope for Kyron Horman at Skyline Elementary Wednesday.

Spokeswoman Mary Lindstrand confirmed that someone tried to tear down a banner on the fence and wrote a crude message on a sign there.

Deputies interviewed one person at the scene but no arrests were made.

Photos:Kyron wall of hope

Investigators said they think it was done by someone in the area who had mental health issues.

Complete coverage:Kyron Horman case

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