I know in my state poloniex wont accept clients cause my state passed some law about money transactions without a lic I belive it started on july 1 2017.....Pretty sure there is criminals on every exchange , not to mention on wall street, but they never shut wall street down. In times like this because they caught a alleged criminal the people legit traders are the ones to pay the price..... its bad enough peeps got scammed or robbed from the alleged malware claim, but now the police are the criminals stealing from legit traders on btce