Lawyers for the woman in the US say a "cease-and-desist" letter was sent by a US law firm in December, on behalf of Andrew Tate and his brother Tristan. Benjamin Bull - who works for the National Centre on Sexual Exploitation - says his client is a key witness in the Romanian investigation, and that the letter was designed to do "one thing and one thing only":"[It] was intended to shut down the witness; stop the witness from bringing testimony forward in any proceedings," he said. "It is not clear exactly who runs some of the most active accounts defending the Tates, or how much cooperation exists between them