I do not feel able to answer that question at the moment. I believe more will be revealed publicly in due course.
The DocMaker has said (bold added)
"There is something rotten in the state of Wakefield.
A spokesperson for the Jeremy Bamber Innocence Campaign said: "The ban that the prison has imposed is a sign
the authorities are determined to do anything to prevent Jeremy exposing the misconduct, and mistakes that led to his conviction ... It seems to be no coincidence that just as the mass of new exculpatory evidence in his case is receiving a lot of media attention, the prison decides that he can no longer make representations to the media".
There we have it - Essex Police controlling everything. They control the whole world, even Donald Trump.