Tyngsboro Police Chief Shaun Woods has announced that officers are actively searching for Derrick Couture, a 39-year-old man wanted in connection with an arson investigation in Nashua, New Hampshire. The incident occurred on Monday, September 21, 2026. According to police reports, Couture is believed to have traveled from Nashua into Tyngsboro, Massachusetts, following the earlier incident. Authorities have stated that Couture may pose a significant danger to himself and others. As a result, the public is urged not to approach him under any circumstances. If individuals spot Couture, they are instructed to immediately call 911. The search operation involves a multi-agency effort. Tyngsboro Police are working alongside Nashua Police and the SWAT Team from the Northeastern Massachusetts Law Enforcement Council to locate the suspect. This is a developing news story, and authorities continue to gather details regarding the arson case. The investigating agencies are urging anyone who believes they have seen Couture to contact law enforcement immediately via 911. The situation remains active as police conduct searches in the Tyngsboro area. Residents are advised to remain vigilant and report any suspicious activity or sightings to the appropriate emergency numbers. The case is currently under investigation by both local and regional law enforcement entities.