Arrest made in cold-case killing of Cloquet woman
A convicted sex offender from Cloquet has been arrested for a killing 12 years ago considered one of the most high-profile cold cases in the Northland. Trina Langenbrunner's body was discovered off a rural road in southern St. Louis County in September 2000. The 33-year-old was the mother of three. One former investigator said, “It just goes to show that you never give up.”