Hancock County Sheriff's Office, Maine
End of Watch Thursday, September 23, 2021
Add to My HeroesLuke Ryan Gross
Deputy Sheriff Luke Gross was struck and killed by a vehicle investigating a crash on Route 3 in front of Penobscot Cleaning Services in Trenton at about 4:00 am.
Deputy Gross was called to the scene of a single-vehicle crash that left scattered debris in the roadway. That vehicle had left the scene. Deputy Gross parked his cruiser in the breakdown lane on the northbound side of the road and activated its emergency lights. He was wearing a high-visibility vest and was reaching down to pick up a piece of debris from a crash in the northbound travel lane when he was fatally hit by a pickup truck. The driver is not expected to have any charges filed against him.
The driver of the vehicle that fled the crash site was found sleeping in his vehicle a short distance from the crash scene. He has been charged with leaving the scene of an accident, illegal use of drug paraphernalia, and illegal possession of alcohol by a minor.
Deputy Gross had served with the Hancock County Sheriff's Office for 18 years. He had previously worked for the Sabattus Police Department. He is survived by his wife, son, and daughter.
Bio
- Age 44
- Tour 20 years
- Badge 509
Incident Details
- Cause Struck by vehicle
Most Recent Reflection
View all 82 ReflectionsDeputy Gross, it has been 3 years since you were taken from us. Northern New England law enforcement continues to serve and protect and make life secure for our part of the country. I honor your 20 years of law enforcement service to the citizens of Hancock County.
Chief (Ret) Steven Marshall
Georges Mills, NH
September 23, 2024
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