https://www.bellingcat.com/guides-e...ncover-corruption-using-open-source-research/ Investigating corruption can be effective when trying to combine multiple pieces of evidence from different sources. A yacht can lead you to company records and shipping registries, and ownership or use can be verified using social media such as Instagram. Information from social media can then be verified using geolocation and trying to find other contextual information about the time and place. If someone traveled to the coast of Italy to get aboard a yacht, could they have been in town for an event? Similarly looking at the crew members or other people who work on the periphery of the asset you are looking, whether it’s a mansion or anything else can be facilitated by social media. This can be a good way of finding sources for interviews. Good tips in this article.