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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 (MP3221) and 5 other sources
On a spring morning in 1987, 23-year-old Ronald Allen Vonderheide was at his Cincinnati, Ohio, residence when an argument with his mother reportedly took place. Following the disagreement, he left the home located in the 6200 block of Cambridge Avenue and was never heard from again. At the time of his disappearance, it was not uncommon for Ronald, or 'Ron' as he was known, to be out of touch for days at a time, but he had never been gone for such an extended period. His mother reported him missing, and his brother searched for him to no avail. The circumstances surrounding his disappearance remain unclear, and very little information has been made public about the investigation.

At the time he went missing, Ronald was described as a white male, standing at 5'10' and weighing between 160 and 185 pounds. He had light brown hair and blue eyes. He had several distinguishing physical characteristics, including a previously fractured ankle and a missing crown on his upper left front tooth. He also had quarter-sized scars on his back and the back of his upper left arm from a previous incident where he was shot, with the bullet remaining lodged in the back of his ribcage. He was last seen wearing a t-shirt, shorts, and sneakers. Reports indicate that at the time of his disappearance, Ronald was known to abuse inhalants, such as glue and paint, and had other mental health issues.

Over the years, the investigation into Ronald's disappearance has continued, though it is now considered a cold case. Authorities have collected DNA from his mother and brother to be entered into national databases in the event that unidentified remains are found. Despite the passage of time and the lack of new leads, law enforcement continues to seek information that could shed light on what happened to Ronald Vonderheide. His case is listed on several missing persons websites, and the Miami Township Police Department remains the primary investigating agency. The lack of any trace of him since that day in 1987 has led authorities to believe he is likely deceased, though his case remains officially unsolved. The family has endured decades of uncertainty, holding out hope for answers in the disappearance of a young man who vanished without a trace.

Last Seen: May 5, 1987

Possible Unidentified Matches (7)

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.

85%Strong
John Doe — Cincinnati, Ohio - unidentified case UP7739
John Doe — Cincinnati, Ohio
UP7739 • Found Oct 27, 1988
View case
Sex ✓Male
Age 100%Est. 20–30 vs 23 when missing
Race 100%White
Location 98%17 mi away, same state
TimingFound 18 months after last seen
Height 84%5'8" vs 5'10"
Weight 92%137 lb vs 160–165 lb
Hair 100%Brown vs Brown
Eyes 100%Blue vs Blue
Sex ✓Male
Age 100%Est. 25–35 vs 23 when missing
Race 100%White
Location 97%22 mi away
TimingFound 12 years after last seen
Height 84%6'0" vs 5'10"
Weight 95%185 lb vs 160–165 lb
77%Possible
John Doe — West Virginia
UP14230 • Found Jun 26, 1988
View case
Sex ✓Male
Age 100%Est. 20–25 vs 23 when missing
Race 100%White
Location 72%113 mi away
TimingFound 14 months after last seen
Height 68%5'7" vs 5'10"
Weight 95%140 lb vs 160–165 lb
Hair 50%Blond vs Brown
Eyes 100%Blue vs Blue
76%Possible
John Doe — Indianapolis, Indiana
UP117543 • Found Apr 3, 1992
View case
Sex ✓Male
Age 100%Est. 18–24 vs 23 when missing
Race 100%White
Location 66%146 mi away
TimingFound 5 years after last seen
Height 100%5'9"–5'11" vs 5'10"
Weight 100%155–165 lb vs 160–165 lb
75%Possible
John Doe — Falmouth, Kentucky - unidentified case UP81
John Doe — Falmouth, Kentucky
UP81 • Found Jul 6, 1996
View case
Sex ✓Male
Age 85%Est. 25–45 vs 23 when missing
Race 100%White
Location 95%30 mi away
TimingFound 9 years after last seen
Height 84%5'8" vs 5'10"
Hair 60%Black vs Brown
75%Possible
John Doe — Floyds Knobs, Indiana
UP1845 • Found Sep 3, 1995
View case
Sex ✓Male
Age 94%Est. 32–45 vs 23 when missing
Race 100%White
Location 74%105 mi away
TimingFound 8 years after last seen
Height 100%5'9" vs 5'10"
Hair 100%Brown vs Brown
75%Possible
John Doe — Nashville, Tennessee
UP8525 • Found May 11, 1988
View case
Sex ✓Male
Age 100%Est. 24–34 vs 23 when missing
Race 100%White
Location 50%247 mi away
TimingFound 12 months after last seen
Height 84%5'8" vs 5'10"
Weight 100%155 lb vs 160–165 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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