The New York Times' Visual Investigations team published an article and video a few weeks ago showing how they had tracked a tanker smuggling oil to North Korea. It's a fascinating maze of shell companies and dark ships using all kinds of techniques to evade detection.

Their reporting goes pretty deep and their renderings/animations are usually very well made, and this was no exception: https://www.nytimes.com/2021/03/24/world/asia/tankers-north-...