This week unusually the Met Police issued a long statementon Operation Midland – the most controversial criminal investigation into allegations that young boys were murdered and sexually abused by people involved in a Westminster paedophile ring.

The press coverage has concentrated on the mea culpa by the Met Police itself when a senior investigating officer described some very sensational allegations by an abuse survivor called ” Nick” as ” credible and true”.

The force stuck by its description as ” credible” but dropped the reference to ” true”.As their statement says:”only a jury can decide on the truth of allegations after hearing all the evidence.

“We should always reflect that in our language and we acknowledge that describing the allegations as ‘credible and true’ suggested we were pre-empting the outcome of the investigation.”

But the long statement – it is about 1200 words- also calls for the media and some of the accused,to modify their behaviour both in the interest of protecting vulnerable survivors and not defaming alleged abusers so they can get a fair trial.

The words in the statement covering survivors were particularly pertinent.- coming straight after the Daily Mail has gone as far as it could to identify ” Nick” in a piece in Saturday’s paper and on-line – including a pixellated picture and details about his mother and the job he held.

The Met Police make the eminently sensible suggestion that the press should be extremely careful about identifying vulnerable people – and suggest that print and on-line journalists should follow broadcasters and incorporate part of the regulator Ofcom’s code when interviewing vulnerable people.

Their definition is much wider than minors. Vulnerable people “may include those with learning difficulties, those with mental health problems, the bereaved, people with brain damage or forms of dementia, people who have been traumatised or who are sick or terminally ill.”

One could say someone who has been sexually abused as a kid has certainly been traumatised. Unsurprisingly, this does not seem to have been mentioned in the print media.

The police statement adds: ” Our other main concern is the risk that media investigations will affect the process of gathering and testing evidence in our criminal investigation. In recent weeks, one journalist reporting on Operation Midland has shown the purported real identity of someone making an allegation of sexual assault to a person who has disclosed that they have been questioned by police concerning those allegations.”

It rightly warns:”it is extremely distressing to discover that their identity might have been given to anyone else, particularly if that is to someone who may be involved in the case. Secondly, possible victims or witnesses reading the article may believe their identities could be revealed as well, which could deter them from coming forward.”

The police also make it clear that until someone is charged they will not name anybody. There is a case for protecting individuals who stand accused of such a heinous crime – both murder and sexual abuse – who are still alive from being exposed because it will prejudice a trial. The problem with historic child sex abuse many of those involved are now dead – and it is their reputation that is at risk not a future trial.

However the accused also have to behave responsibly as well. Harvey Proctor, the former Tory MP, who has been questioned by the police as part of the investigation, has the right to call a press conference to defend himself. But it is very irresponsible to name other people who may or may not be under investigation by the Met Police or demand that his accuser be named.

It is not surprising that this has become such a controversial issue. The stakes are very high. People’s reputations face ruin and proving historic child sex abuse is a very difficult thing to do as it takes place in private and people are hardly going to admit to it.

What is required now is some space for the police to continue this complex and difficult investigation.

Everyone, not just the police, needs to tread very carefully and try to report this honestly and objectively, without fear or favour, and without blunting the detailed investigative skills needed to do the job.