A Boston police officer has shot and killed a man who had been under surveillance by the FBI's Joint Terrorism Task Force, ABC News has learned.
The FBI had been tracking the man for several weeks, and authorities are looking into whether he may have been radicalized by ISIS propaganda online, law enforcement sources told
ABC News
.
An officer and an FBI agent approached the suspect at about 7 a.m. today in the parking lot of a CVS in Roslindale, Massachusetts, police said. The suspect then pulled a "military-style knife," prompting numerous commands from the officer and FBI agent to drop the weapon. But when the suspect refused, both the officer and FBI agent opened fire, officials said.
Boston Officer, FBI Agent Kill Knife-Wielding Terror Suspect
The FBI had been tracking the man for several weeks, and authorities are looking into whether he may have been radicalized by ISIS propaganda online.
More Patrol

Amped Highlights Power Behind Amped FIVE Software
Amped FIVE empowers you to advance your investigations with confidence and precision, from the crime scene all the way to the courtroom.
Read More →
Police K-9 Killed, Suspect Dies in Shootout with Cops
A Burbank Police Department K-9 was fatally shot over the weekend by a passenger who fled on foot from a traffic stop. The armed suspect was killed in a shootout with officers.
Read More →From the Show Floor: InVeris
In this video, learn about how InVeris provides training to law enforcement, including customized augmented reality scenarios. The augmented reality system can scan up to 10,000 square feet of real-life environments and create a curriculum based on those spaces.
Read More →From the Show Floor: Polaris Government & Defense
Learn about Polaris Government & Defense in this video as POLICE visits their show booth to discover their side-by-sides and the advantages they provide for agencies.
Read More →
Dashcam Video Shows Officers Rescue Man from Burning Car
Dashcam video released by a New Jersey police department shows two of its officers rescuing an unconscious man from a burning car after a crash.
Read More →
Aimpoint COA optic + A-CUT Named Red Dot of the Year
The Aimpoint COA optic + A-CUT system has been named Red Dot of the Year by Guns & Ammo magazine. The new optic system was introduced in January 2025.
Read More →From the Show Floor: Axon
Join POLICE as we visit with Abi Stock, of Axon, to learn about the company’s latest technology offerings, such as Axon Assistant, Form One, and the DFR integration with Skydio.
Read More →
Back Face Deformation, Brain Injury and Ballistic Helmets – Why the “Dent Doesn’t Matter” Claim Ignores Science
Alex Poythress, co-founder and CEO of Ballistic Armor Co., explains why ballistic helmet buyers should insist on full test data, including BFD measurements, standoff distance, and padding configuration, rather than rely solely on penetration ratings.
Read More →
Streamlight Marks 15 Years of Support for Breast Cancer Research Foundation With $20k Donation
In its 15th year of supporting the Breast Cancer Research Foundation, Streamlight donated $20,000 to help in the fight against cancer. Donations were generated through the sale of special Wedge XT models and other pink flashlights.
Read More →
Police-Led Mental Health Charity Expands to Include Veterans
Talk To Me Post Tour (TTMPT), a non-profit organization that has been providing peer-support programs and professional psychological support for first responders, is now expanding services to military veterans.
Read More →
