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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 (MP125109) and 5 other sources
In the small town of Prospect, Oregon, a sense of unease settled over the community in the summer of 2017. Ross Ryan Andresen, a 28-year-old man, was last seen on August 2nd of that year. His disappearance would leave his family, friends, and local law enforcement searching for answers that remain elusive. On the day he was last seen, Ross was with his brother in the Prospect area. Ten days would pass before his family officially reported him as a missing person, a delay that has added a layer of complexity to the investigation. At the time he vanished, Ross was wearing a white tank top, black and red gym shorts, a dark-colored hat, and tennis shoes.

The Jackson County Sheriff's Office took the lead on the investigation into Ross's disappearance. Despite their efforts and searches conducted by local authorities, no significant leads have emerged to shed light on what may have happened to him. The quiet town of Prospect was left with a lingering mystery, as a young man had vanished without a trace, leaving a void in the lives of those who knew him. The passage of time has not diminished the concern for his well-being, and the community continues to hope for a breakthrough in the case.

The case of Ross Ryan Andresen is a troubling and unresolved mystery that has cast a shadow over the small Oregon community. With no clear indication of foul play, yet no evidence to suggest he left on his own accord, investigators are faced with a challenging puzzle. The lack of significant leads has made it difficult to piece together the events of that August day and the subsequent days leading up to him being reported missing. The Jackson County Sheriff's Office continues to keep the case open, and they encourage anyone with any information, no matter how insignificant it may seem, to come forward. The hope remains that one day, answers will be found and closure can be brought to his family and the community that has been deeply affected by his disappearance.

Last Seen: Aug 2, 2017

Possible Unidentified Matches (1)

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.

75%Possible
John Doe — Florence, Oregon - unidentified case UP97387
John Doe — Florence, Oregon
UP97387 • Found Sep 21, 2022
View case
Sex ✓Male
Age 100%Est. 30–45 vs 28 when missing
Race 100%White
Location 72%117 mi away, same state
TimingFound 5 years after last seen
Height 100%5'10"–6'4" vs 6'3"

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.