Peter Madsen

Peter Langkjær Madsen (ˈpeːˀdɐ ˈlɑŋkæɐ̯ ˈmæsn̩; born 12 January 1971) is a Danish convicted murderer, former entrepreneur and self-taught engineer. He co-founded the non-profit organization Copenhagen Suborbitals but left it in 2014, becoming the founder of RML Spacelab ApS.In April 2018, Madsen was convicted of the 2017 murder of Swedish journalist Kim Wall on board his submarine, UC3 Nautilus, and sentenced to life imprisonment.

Bio from Wikipedia - See more on en.wikipedia.org Text under CC-BY-SA license