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Mark Bosworth

Do you know what happened to Mark Bosworth?

  • Last updated: January 28, 2023
  • Riddle, OR
  • September 16, 2011

Overview of Mark Bosworth

Mark Lawrence Bosworth, a mapping specialist for the Portland Metro, was last seen on September 16, 2011 at a Cycle Oregon event in Riddle, Oregon. He had been working at the booth near Riddle High School and was last seen walking along a road between Riddle and Canyonville, Oregon between 11:00 and 11:30 p.m. He had said he was going to find his tent, but he never arrived there and has never been heard from again. He was carrying less than $100 in cash on him when he vanished, probably about $40, as well as an iPhone 4 with a dead battery and possibly a small black bag with straps. He left his bicycle, wallet, credit cards and identification behind.

His case remains unsolved.


  1. Date Missing:September 16, 2011
  2. Birthday:April 19, 1957
  3. Current Age:67
  4. Age at Incident:54
  5. NAMUS Number:MP12337
  6. Race:White / Caucasian
  7. Gender:Male
  8. Height:6' 0"
  9. Weight:180 lbs
  10. Hair Color:Gray or Partially Gray
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