: The documentary originally premiered at the 2020 Sundance Film Festival. However, its public release was delayed for two years to re-edit and remove or disguise certain participants who did not want to appear in the final cut. Where to Watch Legally
: While Sullivan was filming Madsen's attempt to build a homemade rocket, Swedish journalist Kim Wall disappeared after boarding Madsen's self-made submarine, the UC3 Nautilus . The film uses footage from before and after the event to show how Madsen's story shifted as the truth behind Wall's murder emerged.
You can stream or download the documentary for offline viewing through the official . Watch Into the Deep: The Submarine Murder Case - Netflix
