The forensic accountant I know says "follow the money" works really well for bikie gangs, drug money and international crime links. Sure, there's mixers. But, there's also a chain and pseudonymous ain't invisibility.
She works in Australia. Maybe things are different in other jurisdictions.
There are so many ways to eliminate traceability with cryptocurrency. Just exchange monero and do a thousand transfers with randomized delays, nobody will track that. Swap to zcash piece-by-piece and do similar things if you don't trust monero.
She works in Australia. Maybe things are different in other jurisdictions.