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302 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP124485) and 2 other sources
In the community of Kirkland, Washington, concern lingers over the disappearance of 36-year-old Michael Christopher Boyce, who was last seen on September 3, 2023. At the time he went missing, Michael, a Caucasian male with brown hair and brown eyes, stood at 69 inches tall and weighed approximately 150 pounds. His case was officially reported to the Kirkland Police Department on March 14, 2024. The circumstances leading to his disappearance are rooted in a period of personal difficulty. Michael had been living in a tent in his father's backyard. While he was unemployed, he would occasionally enter the home to take care of basic needs like laundry, showering, and eating, but his life was primarily outdoors.

The last confirmed sighting of Michael was at a family birthday party held at his father's house. His father grew deeply concerned after Michael failed to make any contact, a silence that stretched uncharacteristically long. According to his father, while Michael had been absent for periods before, he had never been out of touch for more than a month at a time. This extended and unusual absence prompted his father to file a missing person report, escalating the private worry into a public and official investigation. The lack of any communication or sightings since the family gathering has left his loved ones searching for answers.

The Kirkland Police Department is actively investigating Michael's disappearance, with Detective Corporal Matt Anderson assigned to the case. The Washington State Patrol's Missing and Unidentified Persons Unit is also involved, providing additional resources and support to the ongoing search efforts. Despite these efforts, there has been limited public information released regarding the specific details or any potential leads in the investigation. Law enforcement and Michael's family have appealed to the public for assistance, asking anyone with information, no matter how insignificant it may seem, to come forward. The case remains unsolved, a painful and unresolved chapter for a family waiting for any news of their son.

Last Seen: Sep 3, 2023

Links to Additional Sources (2)

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Possible Unidentified Matches (2)

Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

75%Possible
John Doe — Tacoma, Washington
UP120946 • Found Nov 26, 2023
View case
Sex ✓Male
Age 60%Est. 30–99 vs 36
Race 100%White
Location 93%36 mi away, same state
TimingFound 3 months after last seen
Height 84%5'11" vs 5'9"
Weight 100%161 lb vs 150 lb
Hair 40%Gray vs Brown
75%Possible
John Doe — Seattle, Washington - unidentified case UP163249
John Doe — Seattle, Washington
UP163249 • Found Jul 4, 2026
View case
Sex ✓Male
Age 60%Est. 18–100 vs 36 when missing
Race 100%White
Location 100%7 mi away, same county
TimingFound 3 years after last seen
Height 100%5'10" vs 5'9"
Weight 0%229 lb vs 150 lb
Hair 40%Gray vs Brown
Eyes 100%Brown vs Brown

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.

Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.