Into The Deep: The Submarine Murder Case Apr 2026

: It details Madsen's shifting stories—from claiming he dropped her off safely to later alleging an accidental death—and the subsequent realization by his volunteer team that they had been working alongside a killer. Viewer's Guide Watch Into the Deep: The Submarine Murder Case

: The documentary is uniquely composed of raw, behind-the-scenes footage captured by Sullivan’s crew in the months leading up to and immediately following the murder. Into the Deep: The Submarine Murder Case

The film follows the unprecedented events surrounding the disappearance of Kim Wall after she boarded Madsen's amateur-built submarine, the UC3 Nautilus , for an interview. : It details Madsen's shifting stories—from claiming he