Yes it is possible with crypto but if the amount is huge there will be KYC as most of the exchange have made KYC mandatory so any huge mony laundering activity will send a trigger to the bank, I believe money laundering has been taking place even before emergence of Bitcoin and Bitcoin, other cryptos have been potrayed in negative lights as if it's the only channel for money laundering.
I think we should move on from this topic which has been discussed over hunder times here