Finnish feds trace xmr: https://cointelegraph.com/news/finnish-authorities-traced-monero-vastaamo-hack

Japanese feds too: https://cointelegraph.com/news/monero-transactions-japanese-authorities-arrest-18-scammers

Ciphertrace explains how they trace monero: https://v.nostr.build/D4Nzp22vRF35IRnz.mp4

Popular monero wallets accidentally doxing users & their monero txs to chainalysis: https://digilol.net/blog/chainanalysis