Fake location signals from oil tankers avoiding oversight

<img width=“750” height=“431” src=“https://flowingdata.com/wp-content/uploads/2023/06/oil-tanker-fake-location-750x431.png" class=“attachment-medium size-medium wp-post-image” alt=“” decoding=“async” loading=“lazy” srcset=“https://flowingdata.com/wp-content/uploads/2023/06/oil-tanker-fake-location-750x431.png 750w, https://flowingdata.com/wp-content/uploads/2023/06/oil-tanker-fake-location-1090x626.png 1090w, https://flowingdata.com/wp-content/uploads/2023/06/oil-tanker-fake-location-210x …