I think so, mixers are being used to money laundering by many scammers, that's a very common way because of its simplicity. However, it becomes really serious topic any many associations which want to fight with such activities. For instance Coinfirm, leader in AML reports and reclaiming crypto, which is a partner of Ripple (and Binance) in analyzing cryptocurrency transactions to see if they were mixed and rate their risk level for AML compliance reasons. Next year may bring many positive changes when it comes to crypto crimes.