No new date has been set for Ian Brady's mental health tribunal.
It is understood that arrangements need to be put in place to agree on a suitable date for all legal parties in the case.
Brady is challenging his insanity diagnosis which allows doctors at Ashworthmental hospital in Merseyside to force feed him. It is believed he wants to return to the normal prison system where staff would not be allowed to stop him going on hunger strike.
Police first became aware of the possible existence of a letter from Ian Brady to his victim's mother in late July.
An advocate for Moors murderer Ian Brady has revealed the possible existence of a letter that may reveal where one of his victims is buried.