Crime Solvers Central
Crime Solvers Central
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 (MP14342) and 9 other sources
In November of 1985, a sense of anticipation for a weekend hunting trip turned into a decades-long mystery for the families of Brian Ognjan and David Tyll. On November 22, 1985, the two childhood friends, both 27 years old, left St. Clair Shores, Michigan, for what was supposed to be a deer hunting excursion in northern Michigan. They set off in Tyll's black 1980 Ford Bronco, planning to stay at Tyll's family cabin near White Cloud. The men, with about $140 between them, were last reportedly seen in the Mio area, but they never arrived at the cabin and never purchased hunting licenses. When Monday morning came and neither Brian, a mechanic, nor David, a recently married machinist, showed up for work, their families knew something was terribly wrong. The disappearance of the two men and the vanishing of their vehicle without a trace sparked an exhaustive and lengthy investigation that would leave their loved ones searching for answers for many years.

For nearly two decades, the disappearance of Brian Ognjan and David Tyll remained a painful and unsolved case. Investigators and family members pursued thousands of leads, and search teams combed through the vast woods of northern Michigan, but found no sign of the men or their Bronco. Rumors swirled within the small community of Mio, often pointing toward a local family known for their rough and violent reputation. The investigation eventually focused on two brothers, Raymond and Donald Duvall, who were known as hard-drinking brawlers who lived a rough life in the woods around Mio. Despite hearing secondhand stories that the brothers had bragged about killing the two hunters, authorities lacked the physical evidence needed to bring charges. The case grew cold, and the families were left in a state of agonizing uncertainty, holding onto hope but fearing the worst. The faces of Brian and David on missing person posters became a familiar, haunting sight in the region.

A significant break in the case finally came in May 2003, almost 18 years after the men vanished. Investigators, reopening old leads, found a witness who had been too afraid to speak out for years. The woman testified that on the night the men disappeared, she saw the Duvall brothers brutally beat both Brian and David to death with a baseball bat in the parking lot of the Linker's Lounge, a local bar in Mio. Her compelling testimony described a horrific scene where the two friends were attacked after a bar altercation. Other witnesses also came forward, recounting how the Duvall brothers had boasted about the killings, with some claiming the brothers said they fed the men's bodies to pigs. Based on this testimony, Raymond and Donald Duvall were arrested, and in October 2003, they were convicted of two counts of first-degree murder and sentenced to life in prison. This case is an overview of a story that began as a simple hunting trip and ended in a brutal, senseless act. While the convictions provided a measure of justice for the families of Brian Ognjan and David Tyll, their bodies and the Ford Bronco have never been recovered, leaving a painful void and an incomplete resolution to a tragedy that has haunted the community for decades.

Last Seen: Nov 26, 1985

Possible Unidentified Matches (10)

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.

82%Moderate
John Doe — Detroit, Michigan
UP13143 • Found Mar 8, 1999
View case
Sex ✓Male
Age 100%Est. 30–40 vs 27 when missing
Race 100%White
Location 99%14 mi away, same state
TimingFound 13 years after last seen
Height 100%5'9" vs 5'10"
Weight 82%142 lb vs 175 lb
Eyes 100%Brown vs Brown
82%Moderate
John Doe — River Rouge, Michigan
UP11881 • Found Dec 28, 1992
View case
Sex ✓Male
Age 100%Est. 25–35 vs 27 when missing
Race 100%White
Location 97%20 mi away, same state
TimingFound 7 years after last seen
Height 84%5'8" vs 5'10"
Weight 100%168 lb vs 175 lb
Eyes 100%Brown vs Brown
81%Moderate
John Doe — Detroit, Michigan - unidentified case UP8237
John Doe — Detroit, Michigan
UP8237 • Found Jun 11, 1994
View case
Sex ✓Male
Age 100%Est. 35–45 vs 27 when missing
Race 100%White
Location 99%14 mi away, same state
TimingFound 9 years after last seen
Height 84%5'8" vs 5'10"
Weight 81%141 lb vs 175 lb
Eyes 100%Brown vs Brown
80%Moderate
John Doe — Detroit, Michigan
UP9885 • Found Jun 12, 1986
View case
Sex ✓Male
Age 85%Est. 29–39 vs 27
Race 100%White
Location 99%14 mi away, same state
TimingFound 7 months after last seen
Height 100%5'10" vs 5'10"
Weight 52%120 lb vs 175 lb
78%Possible
John Doe — Detroit, Michigan - unidentified case UP115564
John Doe — Detroit, Michigan
UP115564 • Found Jan 26, 2024
View case
Sex ✓Male
Age 100%Est. 58–72 vs 27 when missing
Race 100%White
Location 99%14 mi away, same state
TimingFound 38 years after last seen
Height 100%5'9" vs 5'10"
Weight 77%137 lb vs 175 lb
78%Possible
John Doe — Ecorse, Michigan - unidentified case UP85671
John Doe — Ecorse, Michigan
UP85671 • Found Aug 28, 2021
View case
Sex ✓Male
Age 100%Est. 30–45 vs 27 when missing
Race 100%White
Location 97%22 mi away, same state
TimingFound 36 years after last seen
Height 100%5'9" vs 5'10"
Weight 91%150 lb vs 175 lb
78%Possible
John Doe — Taylor, Michigan
UP17231 • Found Mar 5, 2017
View case
Sex ✓Male
Age 100%Est. 38–52 vs 27 when missing
Race 100%White
Location 96%26 mi away, same state
TimingFound 31 years after last seen
Height 100%5'9" vs 5'10"
Weight 80%210 lb vs 175 lb
78%Possible
John Doe — Detroit, Michigan - unidentified case UP14508
John Doe — Detroit, Michigan
UP14508 • Found Jan 13, 2015
View case
Sex ✓Male
Age 85%Est. 40–60 vs 27 when missing
Race 100%White
Location 100%5 mi away, same state
TimingFound 29 years after last seen
Height 100%5'10" vs 5'10"
Weight 78%138 lb vs 175 lb
Eyes 100%Brown vs Brown
78%Possible
John Doe — Detroit, Michigan - unidentified case UP11702
John Doe — Detroit, Michigan
UP11702 • Found Nov 22, 2007
View case
Sex ✓Male
Age 100%Est. 35–45 vs 27 when missing
Race 100%White
Location 99%14 mi away, same state
TimingFound 22 years after last seen
Height 100%5'9" vs 5'10"
Weight 100%179 lb vs 175 lb
Eyes 0%Blue vs Brown
77%Possible
John Doe — Detroit, Michigan - unidentified case UP8231
John Doe — Detroit, Michigan
UP8231 • Found May 17, 2001
View case
Sex ✓Male
Age 100%Est. 30–45 vs 27 when missing
Race 100%White
Location 99%14 mi away, same state
TimingFound 15 years after last seen
Height 84%6'0" vs 5'10"
Weight 100%191 lb vs 175 lb
Eyes 0%Blue 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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