Crime Solvers Central
Crime Solvers Central
298 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 (MP18555) and 6 other sources
On a summer day, July 17, 1995, a 20-year-old man named Mike R. Heidenreich left his home in Seattle, Washington, with plans to go camping. An avid outdoorsman, the trip was not out of the ordinary for him. He was equipped for his adventure with items including an electric blue backpack set in a metal frame and an aqua blue North Face tent. He was a young man with blond or strawberry-blond hair and blue eyes, standing at five feet eleven inches and weighing around 150 pounds. When he set out on his camping trip, he was never seen or heard from again, creating a mystery that has now spanned decades.

The days turned into weeks with no word from Mike. Concern grew among his family and friends, leading them to report him missing. An investigation was opened by the Seattle Police Department. It was discovered that there had been no activity on any of his accounts since June 30, 1995, more than two weeks before he was last seen. The clothing he was thought to be wearing included a turquoise-colored jacket, a red and blue plaid wool Pendleton shirt, and khaki green Eddie Bauer canvas shoes. Despite having these details, investigators were faced with a case that had very few leads. The vast wilderness he was believed to have entered offered few clues as to his whereabouts or what might have happened to him.

The years have passed without any resolution in the disappearance of Mike Heidenreich. His case remains an open and painful chapter for those who knew and loved him. The lack of evidence has made it difficult for law enforcement to piece together the events following his departure on that July day. Without witnesses or any signs of his campsite or belongings, the circumstances of his disappearance remain unknown. The case stands as a somber reminder of a young man who ventured into nature for a simple camping trip but vanished without a trace, leaving behind only questions and an enduring sense of loss for his family.

Last Seen: Jul 17, 1995

Possible Unidentified Matches (4)

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.

77%Possible
John Doe — Issaquah, Washington - unidentified case UP8582
John Doe — Issaquah, Washington
UP8582 • Found Jan 15, 2003
View case
Sex ✓Male
Age 100%Est. 18–30 vs 20 when missing
Race 100%White
Location 99%13 mi away, same county
TimingFound 7 years after last seen
Height 68%5'3"–5'8" vs 5'11"
75%Possible
John Doe — Seattle, Washington - unidentified case UP16143
John Doe — Seattle, Washington
UP16143 • Found Sep 4, 2016
View case
Sex ✓Male
Age 85%Est. 30–50 vs 20 when missing
Race 100%White
Location 100%2 mi away, same county
TimingFound 21 years after last seen
Height 100%6'0" vs 5'11"
75%Possible
John Doe — Washington
UP10789 • Found Jun 25, 2007
View case
Sex ✓Male
Age 100%Est. 20–35 vs 20 when missing
Race 100%White
Location 99%15 mi away, same county
TimingFound 12 years after last seen
75%Possible
John Doe — Portland, Oregon - unidentified case UP9988
John Doe — Portland, Oregon
UP9988 • Found Jan 15, 1996
View case
Sex ✓Male
Age 94%Est. 21–30 vs 20
Race 100%White
Location 66%146 mi away
TimingFound 6 months after last seen
Height 100%5'10" vs 5'11"
Hair 50%Brown vs Blond

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.