An ongoing drug investigation by the Tilton Police, Northfield Police, and NH State Police Narcotic’s Unit lead to the arrest of a Northfield man. Police say last Thursday they executed a search warrant at 51 Diana Drive in Northfield. Following the search warrant police arrested 38-year old Justin Gauthier on the charge of Possession with Intent to Distribute Heroin and Methamphetamine. Gauthier refused the services of a bail commissioner and was held at the Merrimack County House of Corrections. He was due for arraignment last Friday.