Roger Lenard Jung, 30, vanished from Everett, Washington after the last known contact on September 25, 2005. He lived alone and his absence went unnoticed until his landlord reported him missing more than 30 days later. Jung grew up in Kirkland and held degrees from the University of Washington and UC Berkeley. Family described him as content with his life and saw no reason he would intentionally disappear.

An experienced solo mountain climber, Jung often hiked without telling others where he was going. His red 1990 Jeep Cherokee was found by hikers in Chelan County on June 22, 2006. Investigators recovered a trail pass in the vehicle dated October 27, 2005, suggesting he may have been active after the last known contact, but no trace of him has been located despite extensive searches of the surrounding wilderness.

What information might help pinpoint where he went after September 25, 2005, or who last saw him?