Multnomah Co. Sheriff's Office

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News Release

Multnomah County Sheriff’s Office Leveraging New Technology In Kyron Horman Case - 06/04/26

MULTNOMAH COUNTY, Ore. – Today, the Multnomah County Sheriff’s Office is providing an update on the investigative progress into the disappearance of Kyron Horman.

 

Kyron was seven years old when he disappeared 16 years ago.

 

Kyron was last seen on the morning of June 4, 2010, at Skyline Elementary School in Portland, Oregon, where he was attending his school’s science fair. He has not been seen or heard from since. Kyron has brown hair, blue eyes, and wears glasses. He also has a distinct V-shaped strawberry birthmark on his forehead.

 

In 2025, the Multnomah County Sheriff’s Office finalized the process of digitizing the entire case. This work included scanning and documenting thousands of pages of reports, photos and evidence.

 

With the digitization now complete, the Multnomah County Sheriff’s Office is leveraging new technology tools to advance the investigation. This will allow detectives to process and analyze more than 5,300 written documents and more than half a terabyte of data associated with this investigation in a new and meaningful way.

 

To build upon and maximize this progress, the Multnomah County Sheriff’s Office has increased staffing on this case. In addition to the MCSO detectives assigned to the case, the sheriff’s office continues to collaborate closely with the Multnomah County District Attorney’s Office, the Federal Bureau of Investigation, the East County Major Crimes Team, and the Portland Police Bureau.

 

“Sixteen years have passed since Kyron Horman disappeared. His family has lived through birthdays, holidays, and moments that mark the passage of time,” said Sheriff Nicole Morrisey O’Donnell. “I want Kyron’s family and our community to know that he has never been forgotten. Our commitment to Kyron’s case remains as strong today as it was when he was first reported missing. We will keep doing everything we can to provide Kyron’s family the resolution they deserve.”

 

"Sixteen years is a long time – too long.  I think about Kyron often,” said District Attorney Nathan Vasquez. “I want Kyron’s family and the community to know that a lack of news on the case does not mean a lack of progress. We are working on this behind the scenes, following every possible clue. We are as determined today as we were in the days after Kyron disappeared, and my office will not rest until we have answered the question of what happened to Kyron Horman. To anyone out there who holds the answer - we are not going away. We will continue our hunt for justice for as long as it takes."

 

Each year, hundreds of tips are received, reviewed and considered for follow-up by investigators. Additionally, the Multnomah County Sheriff’s Office continues to conduct searches in an ongoing effort to find Kyron and bring resolution to his family and the broader community.

 

A $50,000 reward remains available for information leading to the resolution of Kyron’s disappearance.

 

Anyone with information is urged to contact the MCSO Tip Line at 503-988-0560, email tips@mcso.us, or reach out to the National Center for Missing & Exploited Children (NCMEC) at 1-800-THE-LOST or online at the NCMEC Cyber Tip Line.

 

When reporting on this case please refer to the Multnomah County Sheriff’s Office in full. Because there are multiple "MCSO" agencies within the state of Oregon (including Marion, Morrow, and Malheur counties), using the full agency name ensures clarity and geographical accuracy.

 

 

 

Image: A four-panel grid showing Kyron Horman. The top-left panel shows an original photo from June 2010 of Kyron as a smiling seven-year-old boy with short brown hair and glasses, wearing a black CSI t-shirt in front of a school science fair display. The remaining three panels feature school-portrait-style age-progression illustrations generated by the National Center for Missing & Exploited Children.

 

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Multnomah County Sheriff’s Office Leveraging New Technology In Kyron Horman Case - 06/04/26

MULTNOMAH COUNTY, Ore. – Today, the Multnomah County Sheriff’s Office is providing an update on the investigative progress into the disappearance of Kyron Horman.

 

Kyron was seven years old when he disappeared 16 years ago.

 

Kyron was last seen on the morning of June 4, 2010, at Skyline Elementary School in Portland, Oregon, where he was attending his school’s science fair. He has not been seen or heard from since. Kyron has brown hair, blue eyes, and wears glasses. He also has a distinct V-shaped strawberry birthmark on his forehead.

 

In 2025, the Multnomah County Sheriff’s Office finalized the process of digitizing the entire case. This work included scanning and documenting thousands of pages of reports, photos and evidence.

 

With the digitization now complete, the Multnomah County Sheriff’s Office is leveraging new technology tools to advance the investigation. This will allow detectives to process and analyze more than 5,300 written documents and more than half a terabyte of data associated with this investigation in a new and meaningful way.

 

To build upon and maximize this progress, the Multnomah County Sheriff’s Office has increased staffing on this case. In addition to the MCSO detectives assigned to the case, the sheriff’s office continues to collaborate closely with the Multnomah County District Attorney’s Office, the Federal Bureau of Investigation, the East County Major Crimes Team, and the Portland Police Bureau.

 

“Sixteen years have passed since Kyron Horman disappeared. His family has lived through birthdays, holidays, and moments that mark the passage of time,” said Sheriff Nicole Morrisey O’Donnell. “I want Kyron’s family and our community to know that he has never been forgotten. Our commitment to Kyron’s case remains as strong today as it was when he was first reported missing. We will keep doing everything we can to provide Kyron’s family the resolution they deserve.”

 

"Sixteen years is a long time – too long.  I think about Kyron often,” said District Attorney Nathan Vasquez. “I want Kyron’s family and the community to know that a lack of news on the case does not mean a lack of progress. We are working on this behind the scenes, following every possible clue. We are as determined today as we were in the days after Kyron disappeared, and my office will not rest until we have answered the question of what happened to Kyron Horman. To anyone out there who holds the answer - we are not going away. We will continue our hunt for justice for as long as it takes."

 

Each year, hundreds of tips are received, reviewed and considered for follow-up by investigators. Additionally, the Multnomah County Sheriff’s Office continues to conduct searches in an ongoing effort to find Kyron and bring resolution to his family and the broader community.

 

A $50,000 reward remains available for information leading to the resolution of Kyron’s disappearance.

 

Anyone with information is urged to contact the MCSO Tip Line at 503-988-0560, email tips@mcso.us, or reach out to the National Center for Missing & Exploited Children (NCMEC) at 1-800-THE-LOST or online at the NCMEC Cyber Tip Line.

 

When reporting on this case please refer to the Multnomah County Sheriff’s Office in full. Because there are multiple "MCSO" agencies within the state of Oregon (including Marion, Morrow, and Malheur counties), using the full agency name ensures clarity and geographical accuracy.

 

 

 

Image: A four-panel grid showing Kyron Horman. The top-left panel shows an original photo from June 2010 of Kyron as a smiling seven-year-old boy with short brown hair and glasses, wearing a black CSI t-shirt in front of a school science fair display. The remaining three panels feature school-portrait-style age-progression illustrations generated by the National Center for Missing & Exploited Children.

 

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