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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 (MP9488) and 6 other sources
On a cold spring day in April of 1976, 19-year-old Steven Paul Thomas of Remsen, New York, embarked on a hiking trip that would become a decades-long mystery. He joined five other young men for a trek up Mount Marcy, the highest peak in New York State. Steven was a last-minute addition to the group, invited by his childhood friend, Bruce Weaver. Accounts suggest that Steven seemed distant and did not interact much with the other members of the hiking party, with the exception of Weaver. The group set up camp in a lean-to about two miles from the summit. Around 3:00 PM on April 12th, despite the protests of his companions, Steven decided to push on towards the summit by himself. He left his backpack and all provisions behind, taking only a knife with him. He was last seen wearing faded blue jeans, a t-shirt, a blue parka with a yellow slicker, boots, and yellow rubber gloves, clothing that was insufficient for the freezing temperatures and harsh conditions on the mountain.

As daylight began to fade and Steven had not returned, his friends grew increasingly worried. Two members of the group, Bruce Weaver and Robert Bromley, attempted a search for him around 10:00 PM, but were quickly forced to turn back due to high winds and dangerously low wind-chill temperatures. The following day, the remaining members of the group continued to search for Steven to no avail. Realizing the gravity of the situation, three of the hikers made their way down the mountain to alert authorities, officially reporting him missing on the evening of April 13th. This initiated one of the most extensive search and rescue operations ever conducted on Mount Marcy. For two weeks, helicopters, search dogs, and experienced rangers scoured the treacherous terrain, but no trace of Steven was ever found. The official search was called off on April 21, 1976.

The disappearance of Steven Thomas has been the subject of much speculation over the years. Some theories suggest he may have intentionally vanished, as he had recently returned from a trip out West and had been secretive about his future plans. However, his family has always maintained that he was close to them and would not have left without a word. The more likely scenarios involve him succumbing to the elements after becoming lost or injured. The weather on Mount Marcy in April can be extremely unpredictable and dangerous, with deep snow that can conceal crevices and steep drop-offs. In the years that followed his disappearance, Steven's brother, Bob Thomas, relentlessly continued the search, hiking thousands of miles and summiting Mount Marcy hundreds of times in a heart-wrenching effort to find his lost sibling. Despite these exhaustive efforts, the fate of Steven Paul Thomas remains unknown, leaving his family with unanswered questions and a profound sense of loss.

Last Seen: Feb 16, 1976

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.

78%Possible
John Doe — Oswego, New York
UP6059 • Found May 11, 1983
View case
Sex ✓Male
Age 100%Est. 18–30 vs 19 when missing
Race 100%White
Location 84%67 mi away, same state
TimingFound 7 years after last seen
Height 100%6'0" vs 6'0"
Weight 88%220 lb vs 190 lb
77%Possible
John Doe — Bear Creek Township, Pennsylvania - unidentified case UP15764
John Doe — Bear Creek Township, Pennsylvania
UP15764 • Found May 28, 1979
View case
Sex ✓Male
Age 100%Est. 17–22 vs 19 when missing
Race 100%White
Location 65%151 mi away
TimingFound 3 years after last seen
Height 84%5'10" vs 6'0"
Weight 100%180 lb vs 190 lb
Hair 100%Brown vs Brown
76%Possible
John Doe — Near Sodus Point, New York
UP17355 • Found Jul 12, 1980
View case
Sex ✓Male
Age 85%Est. 20–40 vs 19 when missing
Race 100%White
Location 78%91 mi away, same state
TimingFound 4 years after last seen
Height 100%6'0" vs 6'0"
Weight 100%190 lb vs 190 lb
75%Possible
John Doe — Kingston, New York - unidentified case UP6018
John Doe — Kingston, New York
UP6018 • Found Aug 15, 1988
View case
Sex ✓Male
Age 85%Est. 30–50 vs 19 when missing
Race 100%White
Location 72%114 mi away, same state
TimingFound 12 years after last seen
Height 100%6'1" vs 6'0"
Weight 100%185 lb vs 190 lb
Hair 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.

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