Use the Bitcoin backed stablecoin instead:
"Tether has said in the past that it regularly works with regulators to supervise suspicious accounts."
"Tether did not immediately respond to a request for comment."
The article has since been updated:
"Today, Tether has frozen three addresses on the Ethereum blockchain containing $160m USDt upon a request from law enforcement. At the moment we are unable to disclose any further details."