Following Russia’s invasion of Ukraine, some superyachts linked to Russian oligarchs left ports in countries where they face sanctions. Here’s how authorities and internet sleuths are using mapping software, satellite images and eyewitness accounts to track them down.
Illustration: Eve HartleyKOUVOLA, Finland—This peaceful Nordic city’s courthouse is a front line in the fight againstIt is a painstaking effort that starts with customs officers along, 50 miles east. The agents, who normally screen imports, last year swung to scrutinizing vehicles and shipments leaving the country after the U.S., European Union and other allies outlawed providing Russia with hundreds of products, from microchips to designer sports equipment.