United States Department of the Treasury - United States Customs Service, U.S. Government
End of Watch Sunday, March 5, 1939
Add to My HeroesMatthew Kononen
Customs Agent Matthew Kononen drowned when he accidentally drove off of the end of the Northwestern Pacific Ferry slip in Tiburon, California.
His vehicle sank to the bottom of the San Francisco Bay. It is believed that he became disoriented due to fog.
Agent Kononen was survived by his wife, daughter, and son.
Bio
- Age 36
- Tour Not available
- Badge Not available
Incident Details
- Cause Drowned
- Location California
Most Recent Reflection
View all 7 ReflectionsAgent Kononen,
On today, the 80th anniversary of your death I would just like to say thank you for your service and sacrifice for our Country and to the Service. And to your Family and loved ones, I wish to extend my deepest sympathy.
BPA Mike Casey
United States Border Patrol
El Paso Station
March 5, 2019
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

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

Police Officer II Colton Dale Pulsipher
Las Vegas Metropolitan Police Department, NV
EOW: December 12, 2024