I think the Police worldwide are not really super advance to track the slander. Wallet address can simply be track once the owner is just like us a simple person. But it the owner is knowledgeable in crypto and know deeper than the Police. They cannot track and couldn't give justice to the victim. I hope one day there will have full protection not just for them but also for us who experienced hundreds of scams.
Remember that Most of the chance wallet owner are anonymous until time comes of they need to withdraw . meaning the funds may sit on the wallets for those long time and just wait for a chance to segregate the funds little by little.