The Nautilus UC3 was the site of the death of journalist Kim Wall. Peter Madsen, who built the submarine, is accused of her murder. They were together on the submarine in August 2017 when it sank.
Peter Madsen was last seen with Wall in August 2017 on board the UC3 Nautilus. The episode ended with the submarine sinking, Madsen escaping, and Wall's dismembered body being washed up on the ...