French tax officials use AI to spot 20k undeclared pools
theguardian.com
theguardian.com
But they're also very, very good at getting large organisations to part with large sums of cash.
I don't see how AI really applies here - it seems to me than "machine vision" would have been much, much simpler.
You print the latest photo on a transparency and lay it over the last one. Human eyes are really good at finding the differences.