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Case Description
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Do you know who murdered Robert T Duncan in 1991?
Robert T. Duncan, a 50-year-old White male, arrived for work before dawn at Sunnyside School in Southeast Portland on September 16, 1991, where he served as a longtime custodian for Portland Public Schools and cared for his disabled wife at home. Around the same time, neighbors near SE 35th Avenue and SE Salmon Street heard screams and called 911; school police officers reached the campus and found Duncan stabbed to death near the flagpole outside the building.
Investigators quickly real ...Read More
Robert T. Duncan, a 50-year-old White male, arrived for work before dawn at Sunnyside School in Southeast Portland on September 16, 1991, where he served as a longtime custodian for Portland Public Schools and cared for his disabled wife at home. Around the same time, neighbors near SE 35th Avenue and SE Salmon Street heard screams and called 911; school police officers reached the campus and found Duncan stabbed to death near the flagpole outside the building.
Investigators quickly real ...Read More
Links to Additional Sources (3)
See any mistakes?Victim Details
Robert Duncan
August 21, 2023
Male
Caucasian / White
Portland
OR
1991-09-16
$0.00
50
Robert Duncan
Robert
Duncan
victim
Brown
11/21/2025
Area Body Found:







