Knox County Sheriff's Office, Tennessee
End of Watch Tuesday, May 9, 2006
Add to My HeroesL. Keith Lyon
Chief Deputy Keith Lyon was killed in an automobile accident on Schaad Road when another vehicle crossed the center line and struck his department SUV head-on.
The driver of the other vehicle and Chief Deputy Lyon both succumbed to their injuries while being transported to a local hospital.
Chief Deputy Lyon had served with the Knox County Sheriff's Department for 18 years. He is survived by his wife.
Bio
- Age 42
- Tour 18 years
- Badge Not available
Incident Details
- Cause Automobile crash
Most Recent Reflection
View all 164 ReflectionsRest easy
Mark Mottola
May 9, 2020
Recent LODD Deaths

Police Officer Jeremy R. Labonte
Roswell Police Department, GA
EOW: February 7, 2025

Officer Jason Roscow
North Las Vegas Police Department, NV
EOW: February 4, 2025

Police Officer Philip J. Schifini
Nassau County Police Department, NY
EOW: November 27, 2024

Major Jeffrey A. Burke
New Jersey State Police, NJ
EOW: December 31, 2024

Corporal Dennis Francis Kelly
Delaware State Police, DE
EOW: December 21, 2024

Officer Baldino Morales-Sánchez
Mayagüez Municipal Police Department, PR
EOW: January 25, 2025

Border Patrol Agent David Christopher Maland
United States Department of Homeland Security - Customs and Border Protection - United States Border Patrol, US
EOW: January 20, 2025

Sergeant Mark Butler
Navasota Police Department, TX
EOW: January 15, 2025

Deputy Sheriff Jesus Vargas
Brazoria County Sheriff's Office, TX
EOW: January 15, 2025