I think the movie you are looking for is
American Conspiracy: The Octopus Murders
IMDB description: Follows journalist Danny Casolaro’s mysterious death while probing an alleged conspiracy called “The Octopus” linking spy software theft, unsolved murders and major 20th-century scandals
Netflix description: An investigative journalist pursuing a political conspiracy known as the Octopus is found dead in his hotel room; decades later, new details emerge.
Apparently NOT!!!
Mike Lynch’s yacht was ‘unsinkable’, says boss of company who built boat | The Independent
https://www.independent.co.uk/news/world/europe/mike-lynch-yacht-unsinkable-superyacht-b2600136.html