Underwater intruder? Submarine Threat or Frisky Critters? Share Published tisdag 20 maj 2008 kl 12.53 From a Soviet submarine to flatulent fish to mink monkeying around - the sound that shook Sweden back in 1982 from the deep has been explained away in many, many different ways. Now - there’s another theory. Bill Schiller has more: Hear more Listen here! 1:32 min 1:32 min Our journalism is based on credibility and impartiality. Swedish Radio is independent and not affiliated to any political, religious, financial, public or private interests. Find out more about how we work (in Swedish).