A Yarmouth, MA, police officer was shot and killed Thursday while serving a warrant, reports NBC News 10.
He was initially seriously injured, but later died in the hospital.
Officer Sean Gannon was shot and killed Thursday while serving a warrant.

Officer Sean Gannon was shot and killed serving a warrant. (Photo: Yarmouth Police Dept./Facebook)
A Yarmouth, MA, police officer was shot and killed Thursday while serving a warrant, reports NBC News 10.
He was initially seriously injured, but later died in the hospital.
"With deep sorrow and heavy hearts the Yarmouth Police Department reports the loss of Officer Sean Gannon," the Yarmouth Police Department noted on Facebook Thursday night. "Officer Sean Gannon was killed in the line of duty today."
Gannon, a K-9 handler, was shot on Blueberry Lane in the Marstons Mills village of Barnstable and was taken away in an ambulance, reported WBZ-TV. The suspect was reported to be in custody.
Gannon's K-9 Nero was also shot. He is reportedly in stable condition at a local vet hospital.
Related: Video: Massachusetts Officer Shot in Head Serving Search Warrant

The application period for the Folds of Honor scholarship program is now open through the end of March. Scholarships support students from early education through postsecondary studies, easing the financial burden for families who have given so much in service to others.
Read More →
With GovX verification now integrated directly into the Team Wendy checkout experience, eligible customers can confirm their status in just a few clicks and have the discount applied automatically.
Read More →
5.11 showcased new apparel and footwear products during SHOT Show 2026, including new color options for the A/T Boa Lite Mid Boot and the Founder’s Jacket.
Read More →
5.11 launched a variety of new load-bearing gear, ranging from backpacks to chest packs, designed for training, travel, and everyday readiness, this week during SHOT Show 2026.
Read More →
Streamlight launched the TLR-3X and TLR-3X USB, two new weapon lights, and an assortment of other new lights during SHOT Show 2026.
Read More →
Built on the proven Halen platform, the new EOTech x Fast Metal Halen Ballistic Spectacle System is the only aluminum frame listed on the U.S. Army’s Authorized Protective Eyewear List.
Read More →
Two officers were shot in Gainesville, Florida, by a man who police say was leaving an area where he had killed a man inside a business. The suspect exited his vehicle in what the chief termed an “ambush-style” attack.
Read More →
An Ohio police department has received harassing phone calls and social media messages because it has an officer with the same name as the ICE officer identified in the Minneapolis, Minnesota, officer-involved shooting.
Read More →
What were the top videos published by POLICE in 2025? Many covered tactics and officer safety, while others came from booth visits at IACP in Denver, Colorado. In case you missed these, here are the top 10 videos.
Read More →
A new integration partnership will enable Flock Safety hotlist alerts and license plate recognition (LPR) searches directly in Coreforce’s Real-Time Crime Center (RTCC) and Digital Evidence Management System (DEMS) platform.
Read More →