Roll of Honor
Incident
Corrections Officer Mark Avery was beaten to death after he and another officer were attacked in the Lansing Correctional Facility's recreation hall.
The two officers were beaten with barbell plates and a stocking cap filled with pool balls.
Officer Avery was taken to the University of Kansas Medical Center where he succumbed to his injuries.
In Our Keeping
- Permanent identifier
BO-US-KS-DF9FF282- 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.
Corrections Officer Avery served with the Kansas Department of Corrections.
Thank you for your service to the people of Kansas. Gone but never to be forgotten.
Rest easy, Corrections Officer Avery.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Corrections Officer Mark L. Avery 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 KS, 237 of 335 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 70.7% of this state's fallen. That is 16.5 percentage points above the national rate of 54.2%.
At Kansas Department of Corrections, 8 of 12 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 66.7% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Mark L. Avery's cause is highlighted.
How Mark L. Avery Compares
Offender Outcome
Sentenced to 40 years
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Mark L. Avery is highlighted in May.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. Mark L. Avery was killed by person.
Others Who Wore This Badge
11 officers from Kansas Department of Corrections are honored on badge.nw.
