Kyron Horman's Mother: 'I Will Never Give Up Looking'

Image: Desiree Young
Desiree Young, mother of missing 7-year-old Kyron Horman, speaks with reporters at the "Kyron's Wall of Hope" on Oct. 1, 2010, in Portland, Ore. The seven-year-old disappeared from the school June 4 and is still missing as officials continue the investigate the case. Rick Bowmer / AP file

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The mother of Kyron Horman, the Oregon second-grader who mysteriously disappeared from his school exactly four years ago, vowed Wednesday to keep searching for her son.

"As I sit here in the silence of our home, my mind wanders to Kyron," Desiree Young, Kyron's biological mother, said in a post on Facebook. "I need my Kyron home so that I can smile again. I miss him even more today."

Kyron had just attended a science fair at Skyline School near Portland when he vanished without a trace on June 4, 2010. He was 7.

The little boy's disappearance sparked the largest search operation in Oregon's history. And yet authorities haven't found any sign of Kyron and no arrests have been made in the perplexing case.

Kyron HormanBring Kyron Home via Facebook

Young is now promising a private search for Kyron later this month. She thanked people who have donated to Klaas Kids Foundation, a public charity group that will help lead a new round of searching for the boy on June 20, 21 and 22.

"I don't want to be here in another year and certainly not in another four years either," Young said in the post on Facebook. "I pray God look over us and help us have a successful search on the 20th, 21st & 22nd."

Young in June 2012 filed a lawsuit against Kyron's stepmother, Terri Horman, the last person known to have seen the boy.

Young accused Terri Horman, who took Kyron to school the day he vanished, of kidnapping the boy. The suit demanded the court compel Horman to return Kyron or reveal the location of his body.

But in July 2013, Young withdrew the lawsuit, saying she did not want to interfere with an ongoing criminal investigation into Kyron's disappearance.

Kyron's biological parents have both said that Terri Horman knows what happened to their boy — although she has not been charged or arrested, according to The Oregonian newspaper.