Roll of Honor
Incident
Detective Deidre Mengedoht was killed when her patrol car was struck by an impaired driver while conducting a traffic stop on I-64, between 4th Street and 6th Street, in downtown Louisville just after 2:00 pm.
Her vehicle was stopped in the right lane with its emergency equipment activated when it was struck from behind by a Metropolitan Sewer District tractor-trailer. The patrol car was pushed into the vehicle she had stopped and became engulfed in flames with Detective Mengedoht trapped inside.
The driver of the tractor-trailer was charged with driving under the influence and murder of a law enforcement officer. In November 2021, the driver was found guilty and sentenced to 27 years.
Detective Mengedoght had served with the Louisville Metro Police Department for seven years.
Survivors
She is survived by a young son.
In Our Keeping
- Permanent identifier
BO-US-KY-27A566D1- Stewardship
- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- April 2, 2026
- Last updated
- July 23, 2026
Honored here by 1 sentinel - 1 tribute.
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Tributes
I never knew you. I am standing here anyway.
Detective Mengedoht gave the Louisville Metro Police Department 7 years.
Thank you for your service to the Louisville community. Gone but never to be forgotten.
Rest easy, Detective Mengedoht.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Detective Deidre Irene Mengedoht is one of 17,623 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 54.2% of all 32,508 officers honored here.
In KY, 755 of 983 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 76.8% of this state's fallen. That is 22.6 percentage points above the national rate of 54.2%.
At Louisville Metro Police Department, 2 of 6 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 33.3% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Deidre Irene Mengedoht's cause is highlighted.
How Deidre Irene Mengedoht Compares
Offender Outcome
Sentenced 27 years
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Deidre Irene Mengedoht is highlighted in Dec.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. Deidre Irene Mengedoht was killed by automobile; narcotics involved.
Incident Location
Others Who Wore This Badge
5 officers from Louisville Metro Police Department are honored on badge.nw.
