Into the Deep: The Submarine Murder Case, directed by Sullivan, features footage from before and after the murder. This includes an interview of Madsen on the day he took Wall out in his submarine ...

Netflix's true crime documentary Into the Deep: The Submarine Murder Case follows the disturbing story of Peter Madsen - but who was he and what did he do? Unusually, the documentary began filming ...

The documentary Into the Deep is staggeringly strange, even by true crime standards. The premise, involving a wealthy amateur inventor covering up the murder of a journalist in a submarine ...