Evidence on phone hacking given to Memeber of Parliaments by News International chairman James Murdoch has been called into question by two former executives at the firm.He told the media committee on Tuesday he had not been aware of an email suggesting the practice went wider than a rogue News of the World reporter.But ex-News of the World editor Colin Myler and ex-News International legal manager Tom Crone have now said they did inform him of the email.Mr Murdoch later said he stands by his testimony.Meanwhile, the BBC has learned the FBI plans to contact actor Jude Law following claims his mobile phone was hacked during a visit to the US.