Crime Solvers Central
Crime Solvers Central
298 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

Any updates on this case? Let us know!
Summary based on the NamUs case record (MP17759) and 4 other sources
In the autumn of 1969, a young man named Donald Emerson Curtiss Jr., just 18 years old, embarked on an adventure into the Catalina Mountains near Tucson, Arizona, that would become his final known journey. On November 8th, filled with the prospect of discovery, he and a friend, Brian McNamara, set out to prospect for gold. The two were staying at the local YMCA and had planned to return the same day. Their equipment was modest, including a metal detector and possibly an inhaler for Donald. As they ventured into the rugged landscape, they were unprepared for the turn the weather would take, a factor that would ultimately separate them and shroud Donald's fate in mystery.

Days turned into a week with no word from the two young men. Then, on November 15th, a disheveled Brian McNamara emerged from the wilderness in Upper Sabino Canyon. His clothes were tattered, and his feet were in poor condition from the ordeal. He recounted a harrowing story of being caught in a sudden winter storm high on Mount Lemmon, causing them to become lost. According to McNamara, Donald had been struck with severe leg cramps, rendering him unable to walk. Believing it was the only option, McNamara left his friend behind to search for help, promising to return. This was the last time anyone reported seeing Donald Curtiss.

In the wake of McNamara's return, an extensive six-day search of the vast and unforgiving terrain of the Catalina Mountains was launched. Search parties scoured the area, hoping to find any trace of the missing teenager. Despite their exhaustive efforts, no sign of Donald Curtiss was ever discovered. The unforgiving wilderness held its secrets close, offering no clues as to what became of him. The official investigation, handled by the Phoenix Police Department, has not suspected foul play in his disappearance. It is widely believed that Donald tragically succumbed to the elements, a victim of exposure in the vast mountain range. His case remains an unsolved and poignant story of a young life lost to the wild, leaving his family with unanswered questions that have endured for decades.

Last Seen: Nov 8, 1969

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.

80%Moderate
John Doe — Tucson, Arizona - unidentified case UP139166
John Doe — Tucson, Arizona
UP139166 • Found Jan 21, 2025
View case
Sex ✓Male
Age 100%Est. 68–82 vs 18 when missing
Race 100%White
Location 100%2 mi away, same county
TimingFound 55 years after last seen
Height 100%5'5" vs 5'6"–5'8"
Weight 76%120 lb vs 155–165 lb
Hair 70%Gray vs Brown
Eyes 100%Green vs Green
79%Possible
John Doe — Marana, Arizona - unidentified case UP17537
John Doe — Marana, Arizona
UP17537 • Found Dec 13, 1994
View case
Sex ✓Male
Age 100%Est. 43–55 vs 18 when missing
Race 100%White
Location 97%21 mi away, same county
TimingFound 25 years after last seen
Height 100%5'6" vs 5'6"–5'8"
Hair 100%Brown vs Brown
79%Possible
John Doe — Tucson, Arizona - unidentified case UP17039
John Doe — Tucson, Arizona
UP17039 • Found Apr 29, 1974
View case
Sex ✓Male
Age 85%Est. 20–45 vs 18 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 4 years after last seen
Height 68%5'11" vs 5'6"–5'8"
Hair 100%Brown vs Brown
Eyes 100%Green vs Green
79%Possible
John Doe — Tucson, Arizona - unidentified case UP11669
John Doe — Tucson, Arizona
UP11669 • Found Aug 20, 1975
View case
Sex ✓Male
Age 87%Est. 25–40 vs 18 when missing
Race 100%White
Location 100%2 mi away, same county
TimingFound 6 years after last seen
Height 100%5'9" vs 5'6"–5'8"
Weight 95%185 lb vs 155–165 lb
Hair 60%Black vs Brown
Eyes 0%Brown vs Green
78%Possible
John Doe — Near Marana, Arizona - unidentified case UP16070
John Doe — Near Marana, Arizona
UP16070 • Found Jul 8, 1971
View case
Sex ✓Male
Age 100%Est. 19–24 vs 18 when missing
Race 60%Hispanic
Location 97%21 mi away, same county
TimingFound 20 months after last seen
Height 100%5'5" vs 5'6"–5'8"
Hair 100%Brown vs Brown
78%Possible
John Doe — Tucson, Arizona - unidentified case UP11040
John Doe — Tucson, Arizona
UP11040 • Found Mar 6, 1997
View case
Sex ✓Male
Age 100%Est. 30–40 vs 18 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 27 years after last seen
Height 100%5'7" vs 5'6"–5'8"
78%Possible
John Doe — Arizona - unidentified case UP7211
John Doe — Arizona
UP7211 • Found Oct 19, 1988
View case
Sex ✓Male
Age 100%Est. 17–21 vs 18 when missing
Race 100%White
Location 91%45 mi away, same state
TimingFound 19 years after last seen
Height 100%5'5" vs 5'6"–5'8"
Hair 100%Brown vs Brown
77%Possible
John Doe — Near Marana, Arizona - unidentified case UP17533
John Doe — Near Marana, Arizona
UP17533 • Found Aug 28, 1994
View case
Sex ✓Male
Age 100%Est. 16–20 vs 18 when missing
Race 100%White
Location 97%21 mi away, same county
TimingFound 25 years after last seen
Height 100%5'5" vs 5'6"–5'8"
77%Possible
John Doe — Oracle, Arizona - unidentified case UP17704
John Doe — Oracle, Arizona
UP17704 • Found Jul 1, 1991
View case
Sex ✓Male
Age 100%Est. 30–40 vs 18 when missing
Race 100%White
Location 95%29 mi away, same state
TimingFound 22 years after last seen
Height 100%5'6"–5'8" vs 5'6"–5'8"
77%Possible
John Doe — Tucson, Arizona - unidentified case UP17679
John Doe — Tucson, Arizona
UP17679 • Found Mar 5, 1979
View case
Sex ✓Male
Age 100%Est. 20–30 vs 18 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 9 years after last seen
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.

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