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Incident
Chief Daniel Duncan suffered a fatal heart attack after responding to a call in the Lake Oswego Municipal Court Building.
Chief Duncan was in a meeting in the building when he heard officers dispatched to the location to apprehend a woman who was to be taken into custody and was a flight risk. Chief Duncan and the officers he was meeting with, ran down three flights of stairs and across the building to the scene to assist with the apprehension.
After clearing the scene, Chief Duncan stated he was feeling ill and was going home to take a nap. He went to bed later that night and passed away in his sleep.
Chief Duncan had served with the Lake Oswego Police Department for 25 years and had previously served with the Tillamook County Sheriff's Office for nine years. He passed away six days before his retirement from the Lake Oswego Police Department.
He is survived by his wife and two children.
Survivors
He is survived by his wife and two children.
In Our Keeping
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- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
34 years. You could have gone home.
Chief of Police Duncan gave the Lake Oswego Police Department 34 years. Still answering calls at the end.
Thank you for your service to the Lake Oswego community. Gone but never to be forgotten.
Rest easy, Chief of Police Duncan.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Cardiac
Daniel is the only officer of Lake Oswego Police Department remembered here.
Daniel is one of 11 officers lost to cardiac events in OR, 5.6% of the 197 remembered there.
Daniel is one of 1,307 officers lost to cardiac events in the United States, 4.7% of the 27,551 remembered there.
Daniel is one of 1,309 officers lost to cardiac events worldwide, 3.8% of the 34,117 remembered here.
34,117 officers are remembered on this memorial. Each number below is one of them.
Time
In 2010, 1 officer in OR was lost to cardiac events, more than in any other year.
In 2010, 21 officers in the United States were lost to cardiac events, the 7th heaviest of 139 years on record. The heaviest was 2014, with 24.
In 2010, 21 officers worldwide were lost to cardiac events, the 7th heaviest of 139 years on record. The heaviest was 2014, with 24.
Who
Daniel was 55. Of the 10 lost to cardiac events in OR whose age is recorded, half were between 44 and 54; the middle age was 49.5. Daniel had served 34 years; the middle length of service was 24.5 years.
Daniel was 55. Of the 1,249 lost to cardiac events in the United States whose age is recorded, half were between 43 and 55; the middle age was 48. Daniel had served 34 years; the middle length of service was 15 years.
Daniel was 55. Of the 1,251 lost to cardiac events worldwide whose age is recorded, half were between 42.5 and 55; the middle age was 48. Daniel had served 34 years; the middle length of service was 15 years.
When
May holds 18.2% of these deaths in OR; December holds the most, 18.2%. Thursdays: 27.3%.
May holds 8.8% of these deaths in the United States; January holds the most, 9.6%. Thursdays: 14.5%.
May holds 8.8% of these deaths worldwide; January holds the most, 9.5%. Thursdays: 14.5%.
How
Cardiac deaths account for 100% of all 1 deaths at Lake Oswego Police Department.
Cardiac deaths account for 5.6% of all 197 deaths in OR, the 3rd most common cause.
Cardiac deaths account for 4.7% of all 27,551 deaths in the United States, the 4th most common cause.
Cardiac deaths account for 3.8% of all 34,117 deaths worldwide, the 4th most common cause.
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 45-E
What is kept
Photographs, film, sound and papers — what survived a life.
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