Denmark iStock

Denmark police on Wednesday morning acknowledged that the headless body found on a Copenhagen beach is that of missing Swedish journalist Kim Wall.

Wall went missing two weeks ago, while in taking a trip in Danish inventor and rocket scientist Peter Madsen's homemade submarine. She had boarded the craft as part of a story she was writing.

Madsen, 46, admitted in court that an "accident" happened, after which he tossed Wall's body into Koge Bay. Previously, he claimed he had let Wall off at an island well before the submarine sank.

He is currently being tried for manslaughter, and police suspect he purposely caused the submarine to sink before he was rescued.

The submarine, UC3 Nautilus, is one of three submarines Madsen has built. It is 17 meters (58 feet) long and can hold up to 18 people.