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 Colorado State Patrol, after analyzing its 2025 struck-by incidents, identified one area for improvement: using traffic cones to provide advanced warning before the cruiser's location. Here is the agency’s final data.
Read More →
Streamlight has recognized the 144th Marketing Group as its 2025 Sales Rep Agency of the Year Award for the Law Enforcement market.
Read More →
Streamlight has recognized the 144th Marketing Group as its 2025 Sales Rep Agency of the Year Award for the Law Enforcement market.
Read More →
The mission of the Jorge Pastore Foundation is to support first responders through essential training, stronger community engagement, and mental wellness resources, all accessible and funded through donations, sponsorships, and foundation-led fundraising. It works closely with Team Wendy in the discussions about developing better protective gear for officers.
Read More →
Patrol work hasn’t changed—but the expectations on officers have. See how one police chief helped officers get the right information at the right time, improve patrol visibility, and strengthen trust without adding complexity or surveillance. This real-world story shows how patrol-driven technology can make the job safer, smarter, and more effective—starting on day one.
Read More →
What if Level I retention didn’t require a full duty rig? Safariland’s Solis delivers trusted ALS security in a streamlined OWB platform built for administrative and plainclothes professionals who need protection without the bulk.
Read More →
Real-world scenarios show that a tracking canine can detect and follow a human track several hours after it was made.
Read More →
In this video, we get a look at the latest law enforcement boots from Garmont Tactical, both for men and women. Kyle Ferdyn, sales manager, showcases four of the latest boots.
Read More →
With the commercial availability of Avon Protection’s EXOSKIN-S2, users now have increased options for their protective suit requirements across the spectrum of CBRN threat environments.
Read More →
Versaterm has acquired Aloft, an FAA-approved Unmanned Service Supplier (USS) that specializes in real-time airspace intelligence and flight authorizations.
Read More →