Northampton traffic stop for unreadable license plate leads to heroin, crack cocaine trafficking arrest Updated Mar 04, 2021; Posted Mar 04, 2021 Police arrested a Vermont man after discovering crack cocaine and heroin in his car during a traffic stop on Interstate-91 in Northampton. (Massachusetts State Police photo) Facebook Share NORTHAMPTON – A license plate so encrusted with salt and dirt that it was unreadable led to the arrest of a Vermont man accused of drug trafficking. Harry Sanborn, 46, of Chelsea, Vermont, was arrested on Tuesday afternoon and charged with trafficking in crack cocaine and heroin and unlicensed operation of a vehicle, Massachusetts State Police said.