They are being investigated by the US Dept of Justice on claims by a whistleblower that Block processed transactions for countries and foreign entities that have US sanctions against them. The claims are that senior management and the Board of Directors were told of the sanctions busting and money laundering and just ignored it. The whistle blower apparently gave 100 pages or more of internal emails and transaction lists to the DOJ that prove what is alleged according to the lawyer representing the whistleblower. The emails etc. are as recent as late last year. The DOJ investigation was reported in the last few days by reputable US newspapers. I can't remember the newspapers names.